Bump to v4.17.0.

README.md

@@ -1,4 +1,4 @@
-# lodash-amd v4.16.5
+# lodash-amd v4.17.0
 
 The [Lodash](https://lodash.com/) library exported as [AMD](https://github.com/amdjs/amdjs-api/wiki/AMD) modules.
 
@@ -27,4 +27,4 @@ require({
 });
 ```
 
-See the [package source](https://github.com/lodash/lodash/tree/4.16.5-amd) for more details.
+See the [package source](https://github.com/lodash/lodash/tree/4.17.0-amd) for more details.

_baseAssignIn.js

@@ -0,0 +1,17 @@
+define(['./_copyObject', './keysIn'], function(copyObject, keysIn) {
+
+  /**
+   * The base implementation of `_.assignIn` without support for multiple sources
+   * or `customizer` functions.
+   *
+   * @private
+   * @param {Object} object The destination object.
+   * @param {Object} source The source object.
+   * @returns {Object} Returns `object`.
+   */
+  function baseAssignIn(object, source) {
+    return object && copyObject(source, keysIn(source), object);
+  }
+
+  return baseAssignIn;
+});

_baseAt.js

@@ -8,7 +8,7 @@ define(['./get'], function(get) {
    *
    * @private
    * @param {Object} object The object to iterate over.
-   * @param {string[]} paths The property paths of elements to pick.
+   * @param {string[]} paths The property paths to pick.
    * @returns {Array} Returns the picked elements.
    */
   function baseAt(object, paths) {

_baseClone.js

@@ -1,8 +1,13 @@
-define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_cloneBuffer', './_copyArray', './_copySymbols', './_getAllKeys', './_getTag', './_initCloneArray', './_initCloneByTag', './_initCloneObject', './isArray', './isBuffer', './isObject', './keys'], function(Stack, arrayEach, assignValue, baseAssign, cloneBuffer, copyArray, copySymbols, getAllKeys, getTag, initCloneArray, initCloneByTag, initCloneObject, isArray, isBuffer, isObject, keys) {
+define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_baseAssignIn', './_cloneBuffer', './_copyArray', './_copySymbols', './_copySymbolsIn', './_getAllKeys', './_getAllKeysIn', './_getTag', './_initCloneArray', './_initCloneByTag', './_initCloneObject', './isArray', './isBuffer', './isObject', './keys'], function(Stack, arrayEach, assignValue, baseAssign, baseAssignIn, cloneBuffer, copyArray, copySymbols, copySymbolsIn, getAllKeys, getAllKeysIn, getTag, initCloneArray, initCloneByTag, initCloneObject, isArray, isBuffer, isObject, keys) {
 
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1,
+      CLONE_FLAT_FLAG = 2,
+      CLONE_SYMBOLS_FLAG = 4;
+
   /** `Object#toString` result references. */
   var argsTag = '[object Arguments]',
       arrayTag = '[object Array]',
@@ -54,16 +59,22 @@ define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_clone
    *
    * @private
    * @param {*} value The value to clone.
-   * @param {boolean} [isDeep] Specify a deep clone.
+   * @param {boolean} bitmask The bitmask flags.
-   * @param {boolean} [isFull] Specify a clone including symbols.
+   *  1 - Deep clone
+   *  2 - Flatten inherited properties
+   *  4 - Clone symbols
    * @param {Function} [customizer] The function to customize cloning.
    * @param {string} [key] The key of `value`.
    * @param {Object} [object] The parent object of `value`.
    * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
    * @returns {*} Returns the cloned value.
    */
-  function baseClone(value, isDeep, isFull, customizer, key, object, stack) {
+  function baseClone(value, bitmask, customizer, key, object, stack) {
-    var result;
+    var result,
+        isDeep = bitmask & CLONE_DEEP_FLAG,
+        isFlat = bitmask & CLONE_FLAT_FLAG,
+        isFull = bitmask & CLONE_SYMBOLS_FLAG;
+
     if (customizer) {
       result = object ? customizer(value, key, object, stack) : customizer(value);
     }
@@ -87,9 +98,11 @@ define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_clone
         return cloneBuffer(value, isDeep);
       }
       if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
-        result = initCloneObject(isFunc ? {} : value);
+        result = (isFlat || isFunc) ? {} : initCloneObject(value);
         if (!isDeep) {
-          return copySymbols(value, baseAssign(result, value));
+          return isFlat
+            ? copySymbolsIn(value, baseAssignIn(result, value))
+            : copySymbols(value, baseAssign(result, value));
         }
       } else {
         if (!cloneableTags[tag]) {
@@ -106,14 +119,18 @@ define(['./_Stack', './_arrayEach', './_assignValue', './_baseAssign', './_clone
     }
     stack.set(value, result);
 
-    var props = isArr ? undefined : (isFull ? getAllKeys : keys)(value);
+    var keysFunc = isFull
+      ? (isFlat ? getAllKeysIn : getAllKeys)
+      : (isFlat ? keysIn : keys);
+
+    var props = isArr ? undefined : keysFunc(value);
     arrayEach(props || value, function(subValue, key) {
       if (props) {
         key = subValue;
         subValue = value[key];
       }
       // Recursively populate clone (susceptible to call stack limits).
-      assignValue(result, key, baseClone(subValue, isDeep, isFull, customizer, key, value, stack));
+      assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
     });
     return result;
   }

_baseIsEqual.js

@@ -7,22 +7,21 @@ define(['./_baseIsEqualDeep', './isObject', './isObjectLike'], function(baseIsEq
    * @private
    * @param {*} value The value to compare.
    * @param {*} other The other value to compare.
+   * @param {boolean} bitmask The bitmask flags.
+   *  1 - Unordered comparison
+   *  2 - Partial comparison
    * @param {Function} [customizer] The function to customize comparisons.
-   * @param {boolean} [bitmask] The bitmask of comparison flags.
-   *  The bitmask may be composed of the following flags:
-   *     1 - Unordered comparison
-   *     2 - Partial comparison
    * @param {Object} [stack] Tracks traversed `value` and `other` objects.
    * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
    */
-  function baseIsEqual(value, other, customizer, bitmask, stack) {
+  function baseIsEqual(value, other, bitmask, customizer, stack) {
     if (value === other) {
       return true;
     }
     if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
       return value !== value && other !== other;
     }
-    return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
+    return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
   }
 
   return baseIsEqual;

_baseIsEqualDeep.js

@@ -1,7 +1,7 @@
 define(['./_Stack', './_equalArrays', './_equalByTag', './_equalObjects', './_getTag', './isArray', './isBuffer', './isTypedArray'], function(Stack, equalArrays, equalByTag, equalObjects, getTag, isArray, isBuffer, isTypedArray) {
 
-  /** Used to compose bitmasks for comparison styles. */
+  /** Used to compose bitmasks for value comparisons. */
-  var PARTIAL_COMPARE_FLAG = 2;
+  var COMPARE_PARTIAL_FLAG = 1;
 
   /** `Object#toString` result references. */
   var argsTag = '[object Arguments]',
@@ -22,14 +22,13 @@ define(['./_Stack', './_equalArrays', './_equalByTag', './_equalObjects', './_ge
    * @private
    * @param {Object} object The object to compare.
    * @param {Object} other The other object to compare.
+   * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+   * @param {Function} customizer The function to customize comparisons.
    * @param {Function} equalFunc The function to determine equivalents of values.
-   * @param {Function} [customizer] The function to customize comparisons.
-   * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual`
-   *  for more details.
    * @param {Object} [stack] Tracks traversed `object` and `other` objects.
    * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
    */
-  function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) {
+  function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
     var objIsArr = isArray(object),
         othIsArr = isArray(other),
         objTag = arrayTag,
@@ -57,10 +56,10 @@ define(['./_Stack', './_equalArrays', './_equalByTag', './_equalObjects', './_ge
     if (isSameTag && !objIsObj) {
       stack || (stack = new Stack);
       return (objIsArr || isTypedArray(object))
-        ? equalArrays(object, other, equalFunc, customizer, bitmask, stack)
+        ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
-        : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack);
+        : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
     }
-    if (!(bitmask & PARTIAL_COMPARE_FLAG)) {
+    if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
       var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
           othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
 
@@ -69,14 +68,14 @@ define(['./_Stack', './_equalArrays', './_equalByTag', './_equalObjects', './_ge
             othUnwrapped = othIsWrapped ? other.value() : other;
 
         stack || (stack = new Stack);
-        return equalFunc(objUnwrapped, othUnwrapped, customizer, bitmask, stack);
+        return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
       }
     }
     if (!isSameTag) {
       return false;
     }
     stack || (stack = new Stack);
-    return equalObjects(object, other, equalFunc, customizer, bitmask, stack);
+    return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
   }
 
   return baseIsEqualDeep;

_baseIsMatch.js

@@ -3,9 +3,9 @@ define(['./_Stack', './_baseIsEqual'], function(Stack, baseIsEqual) {
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
-  /** Used to compose bitmasks for comparison styles. */
+  /** Used to compose bitmasks for value comparisons. */
-  var UNORDERED_COMPARE_FLAG = 1,
+  var COMPARE_PARTIAL_FLAG = 1,
-      PARTIAL_COMPARE_FLAG = 2;
+      COMPARE_UNORDERED_FLAG = 2;
 
   /**
    * The base implementation of `_.isMatch` without support for iteratee shorthands.
@@ -51,7 +51,7 @@ define(['./_Stack', './_baseIsEqual'], function(Stack, baseIsEqual) {
           var result = customizer(objValue, srcValue, key, object, source, stack);
         }
         if (!(result === undefined
-              ? baseIsEqual(srcValue, objValue, customizer, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG, stack)
+              ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
               : result
             )) {
           return false;

_baseMatchesProperty.js

@@ -3,9 +3,9 @@ define(['./_baseIsEqual', './get', './hasIn', './_isKey', './_isStrictComparable
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
-  /** Used to compose bitmasks for comparison styles. */
+  /** Used to compose bitmasks for value comparisons. */
-  var UNORDERED_COMPARE_FLAG = 1,
+  var COMPARE_PARTIAL_FLAG = 1,
-      PARTIAL_COMPARE_FLAG = 2;
+      COMPARE_UNORDERED_FLAG = 2;
 
   /**
    * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
@@ -23,7 +23,7 @@ define(['./_baseIsEqual', './get', './hasIn', './_isKey', './_isStrictComparable
       var objValue = get(object, path);
       return (objValue === undefined && objValue === srcValue)
         ? hasIn(object, path)
-        : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG);
+        : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
     };
   }
 

_basePick.js

@@ -1,4 +1,4 @@
-define(['./_basePickBy'], function(basePickBy) {
+define(['./_basePickBy', './hasIn'], function(basePickBy, hasIn) {
 
   /**
    * The base implementation of `_.pick` without support for individual
@@ -6,13 +6,13 @@ define(['./_basePickBy'], function(basePickBy) {
    *
    * @private
    * @param {Object} object The source object.
-   * @param {string[]} props The property identifiers to pick.
+   * @param {string[]} paths The property paths to pick.
    * @returns {Object} Returns the new object.
    */
-  function basePick(object, props) {
+  function basePick(object, paths) {
     object = Object(object);
-    return basePickBy(object, props, function(value, key) {
+    return basePickBy(object, paths, function(value, path) {
-      return key in object;
+      return hasIn(object, path);
     });
   }
 

_basePickBy.js

@@ -1,25 +1,25 @@
-define(['./_baseAssignValue'], function(baseAssignValue) {
+define(['./_baseGet', './_baseSet'], function(baseGet, baseSet) {
 
   /**
    * The base implementation of  `_.pickBy` without support for iteratee shorthands.
    *
    * @private
    * @param {Object} object The source object.
-   * @param {string[]} props The property identifiers to pick from.
+   * @param {string[]} paths The property paths to pick.
    * @param {Function} predicate The function invoked per property.
    * @returns {Object} Returns the new object.
    */
-  function basePickBy(object, props, predicate) {
+  function basePickBy(object, paths, predicate) {
     var index = -1,
-        length = props.length,
+        length = paths.length,
         result = {};
 
     while (++index < length) {
-      var key = props[index],
+      var path = paths[index],
-          value = object[key];
+          value = baseGet(object, path);
 
-      if (predicate(value, key)) {
+      if (predicate(value, path)) {
-        baseAssignValue(result, key, value);
+        baseSet(result, path, value);
       }
     }
     return result;

_baseUnset.js

@@ -11,7 +11,7 @@ define(['./_castPath', './_isKey', './last', './_parent', './_toKey'], function(
    *
    * @private
    * @param {Object} object The object to modify.
-   * @param {Array|string} path The path of the property to unset.
+   * @param {Array|string} path The property path to unset.
    * @returns {boolean} Returns `true` if the property is deleted, else `false`.
    */
   function baseUnset(object, path) {

_baseXor.js

@@ -23,9 +23,8 @@ define(['./_baseDifference', './_baseFlatten', './_baseUniq'], function(baseDiff
           othIndex = -1;
 
       while (++othIndex < length) {
-        var othArray = arrays[othIndex];
+        if (othIndex != index) {
-        if (othArray !== array) {
+          result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
-          result[index] = baseDifference(result[index] || array, othArray, iteratee, comparator);
         }
       }
     }

_cloneMap.js

@@ -1,5 +1,8 @@
 define(['./_addMapEntry', './_arrayReduce', './_mapToArray'], function(addMapEntry, arrayReduce, mapToArray) {
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1;
+
   /**
    * Creates a clone of `map`.
    *
@@ -10,7 +13,7 @@ define(['./_addMapEntry', './_arrayReduce', './_mapToArray'], function(addMapEnt
    * @returns {Object} Returns the cloned map.
    */
   function cloneMap(map, isDeep, cloneFunc) {
-    var array = isDeep ? cloneFunc(mapToArray(map), true) : mapToArray(map);
+    var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);
     return arrayReduce(array, addMapEntry, new map.constructor);
   }
 

_cloneSet.js

@@ -1,5 +1,8 @@
 define(['./_addSetEntry', './_arrayReduce', './_setToArray'], function(addSetEntry, arrayReduce, setToArray) {
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1;
+
   /**
    * Creates a clone of `set`.
    *
@@ -10,7 +13,7 @@ define(['./_addSetEntry', './_arrayReduce', './_setToArray'], function(addSetEnt
    * @returns {Object} Returns the cloned set.
    */
   function cloneSet(set, isDeep, cloneFunc) {
-    var array = isDeep ? cloneFunc(setToArray(set), true) : setToArray(set);
+    var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);
     return arrayReduce(array, addSetEntry, new set.constructor);
   }
 

_copySymbols.js

@@ -1,7 +1,7 @@
 define(['./_copyObject', './_getSymbols'], function(copyObject, getSymbols) {
 
   /**
-   * Copies own symbol properties of `source` to `object`.
+   * Copies own symbols of `source` to `object`.
    *
    * @private
    * @param {Object} source The object to copy symbols from.

_copySymbolsIn.js

@@ -0,0 +1,16 @@
+define(['./_copyObject', './_getSymbolsIn'], function(copyObject, getSymbolsIn) {
+
+  /**
+   * Copies own and inherited symbols of `source` to `object`.
+   *
+   * @private
+   * @param {Object} source The object to copy symbols from.
+   * @param {Object} [object={}] The object to copy symbols to.
+   * @returns {Object} Returns `object`.
+   */
+  function copySymbolsIn(source, object) {
+    return copyObject(source, getSymbolsIn(source), object);
+  }
+
+  return copySymbolsIn;
+});

_createBind.js

@@ -1,7 +1,7 @@
 define(['./_createCtor', './_root'], function(createCtor, root) {
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1;
+  var WRAP_BIND_FLAG = 1;
 
   /**
    * Creates a function that wraps `func` to invoke it with the optional `this`
@@ -14,7 +14,7 @@ define(['./_createCtor', './_root'], function(createCtor, root) {
    * @returns {Function} Returns the new wrapped function.
    */
   function createBind(func, bitmask, thisArg) {
-    var isBind = bitmask & BIND_FLAG,
+    var isBind = bitmask & WRAP_BIND_FLAG,
         Ctor = createCtor(func);
 
     function wrapper() {

_createFlow.js

@@ -10,10 +10,10 @@ define(['./_LodashWrapper', './_flatRest', './_getData', './_getFuncName', './is
   var FUNC_ERROR_TEXT = 'Expected a function';
 
   /** Used to compose bitmasks for function metadata. */
-  var CURRY_FLAG = 8,
+  var WRAP_CURRY_FLAG = 8,
-      PARTIAL_FLAG = 32,
+      WRAP_PARTIAL_FLAG = 32,
-      ARY_FLAG = 128,
+      WRAP_ARY_FLAG = 128,
-      REARG_FLAG = 256;
+      WRAP_REARG_FLAG = 256;
 
   /**
    * Creates a `_.flow` or `_.flowRight` function.
@@ -48,7 +48,7 @@ define(['./_LodashWrapper', './_flatRest', './_getData', './_getFuncName', './is
             data = funcName == 'wrapper' ? getData(func) : undefined;
 
         if (data && isLaziable(data[0]) &&
-              data[1] == (ARY_FLAG | CURRY_FLAG | PARTIAL_FLAG | REARG_FLAG) &&
+              data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
               !data[4].length && data[9] == 1
             ) {
           wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);

_createHybrid.js

@@ -4,12 +4,12 @@ define(['./_composeArgs', './_composeArgsRight', './_countHolders', './_createCt
   var undefined;
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1,
+  var WRAP_BIND_FLAG = 1,
-      BIND_KEY_FLAG = 2,
+      WRAP_BIND_KEY_FLAG = 2,
-      CURRY_FLAG = 8,
+      WRAP_CURRY_FLAG = 8,
-      CURRY_RIGHT_FLAG = 16,
+      WRAP_CURRY_RIGHT_FLAG = 16,
-      ARY_FLAG = 128,
+      WRAP_ARY_FLAG = 128,
-      FLIP_FLAG = 512;
+      WRAP_FLIP_FLAG = 512;
 
   /**
    * Creates a function that wraps `func` to invoke it with optional `this`
@@ -31,11 +31,11 @@ define(['./_composeArgs', './_composeArgsRight', './_countHolders', './_createCt
    * @returns {Function} Returns the new wrapped function.
    */
   function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
-    var isAry = bitmask & ARY_FLAG,
+    var isAry = bitmask & WRAP_ARY_FLAG,
-        isBind = bitmask & BIND_FLAG,
+        isBind = bitmask & WRAP_BIND_FLAG,
-        isBindKey = bitmask & BIND_KEY_FLAG,
+        isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
-        isCurried = bitmask & (CURRY_FLAG | CURRY_RIGHT_FLAG),
+        isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
-        isFlip = bitmask & FLIP_FLAG,
+        isFlip = bitmask & WRAP_FLIP_FLAG,
         Ctor = isBindKey ? undefined : createCtor(func);
 
     function wrapper() {

_createPartial.js

@@ -1,7 +1,7 @@
 define(['./_apply', './_createCtor', './_root'], function(apply, createCtor, root) {
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1;
+  var WRAP_BIND_FLAG = 1;
 
   /**
    * Creates a function that wraps `func` to invoke it with the `this` binding
@@ -16,7 +16,7 @@ define(['./_apply', './_createCtor', './_root'], function(apply, createCtor, roo
    * @returns {Function} Returns the new wrapped function.
    */
   function createPartial(func, bitmask, thisArg, partials) {
-    var isBind = bitmask & BIND_FLAG,
+    var isBind = bitmask & WRAP_BIND_FLAG,
         Ctor = createCtor(func);
 
     function wrapper() {

_createRecurry.js

@@ -4,12 +4,12 @@ define(['./_isLaziable', './_setData', './_setWrapToString'], function(isLaziabl
   var undefined;
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1,
+  var WRAP_BIND_FLAG = 1,
-      BIND_KEY_FLAG = 2,
+      WRAP_BIND_KEY_FLAG = 2,
-      CURRY_BOUND_FLAG = 4,
+      WRAP_CURRY_BOUND_FLAG = 4,
-      CURRY_FLAG = 8,
+      WRAP_CURRY_FLAG = 8,
-      PARTIAL_FLAG = 32,
+      WRAP_PARTIAL_FLAG = 32,
-      PARTIAL_RIGHT_FLAG = 64;
+      WRAP_PARTIAL_RIGHT_FLAG = 64;
 
   /**
    * Creates a function that wraps `func` to continue currying.
@@ -29,17 +29,17 @@ define(['./_isLaziable', './_setData', './_setWrapToString'], function(isLaziabl
    * @returns {Function} Returns the new wrapped function.
    */
   function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
-    var isCurry = bitmask & CURRY_FLAG,
+    var isCurry = bitmask & WRAP_CURRY_FLAG,
         newHolders = isCurry ? holders : undefined,
         newHoldersRight = isCurry ? undefined : holders,
         newPartials = isCurry ? partials : undefined,
         newPartialsRight = isCurry ? undefined : partials;
 
-    bitmask |= (isCurry ? PARTIAL_FLAG : PARTIAL_RIGHT_FLAG);
+    bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
-    bitmask &= ~(isCurry ? PARTIAL_RIGHT_FLAG : PARTIAL_FLAG);
+    bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
 
-    if (!(bitmask & CURRY_BOUND_FLAG)) {
+    if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
-      bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);
+      bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
     }
     var newData = [
       func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,

_createWrap.js

@@ -7,12 +7,12 @@ define(['./_baseSetData', './_createBind', './_createCurry', './_createHybrid',
   var FUNC_ERROR_TEXT = 'Expected a function';
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1,
+  var WRAP_BIND_FLAG = 1,
-      BIND_KEY_FLAG = 2,
+      WRAP_BIND_KEY_FLAG = 2,
-      CURRY_FLAG = 8,
+      WRAP_CURRY_FLAG = 8,
-      CURRY_RIGHT_FLAG = 16,
+      WRAP_CURRY_RIGHT_FLAG = 16,
-      PARTIAL_FLAG = 32,
+      WRAP_PARTIAL_FLAG = 32,
-      PARTIAL_RIGHT_FLAG = 64;
+      WRAP_PARTIAL_RIGHT_FLAG = 64;
 
   /* Built-in method references for those with the same name as other `lodash` methods. */
   var nativeMax = Math.max;
@@ -24,17 +24,16 @@ define(['./_baseSetData', './_createBind', './_createCurry', './_createHybrid',
    * @private
    * @param {Function|string} func The function or method name to wrap.
    * @param {number} bitmask The bitmask flags.
-   *  The bitmask may be composed of the following flags:
+   *    1 - `_.bind`
-   *     1 - `_.bind`
+   *    2 - `_.bindKey`
-   *     2 - `_.bindKey`
+   *    4 - `_.curry` or `_.curryRight` of a bound function
-   *     4 - `_.curry` or `_.curryRight` of a bound function
+   *    8 - `_.curry`
-   *     8 - `_.curry`
+   *   16 - `_.curryRight`
-   *    16 - `_.curryRight`
+   *   32 - `_.partial`
-   *    32 - `_.partial`
+   *   64 - `_.partialRight`
-   *    64 - `_.partialRight`
+   *  128 - `_.rearg`
-   *   128 - `_.rearg`
+   *  256 - `_.ary`
-   *   256 - `_.ary`
+   *  512 - `_.flip`
-   *   512 - `_.flip`
    * @param {*} [thisArg] The `this` binding of `func`.
    * @param {Array} [partials] The arguments to be partially applied.
    * @param {Array} [holders] The `partials` placeholder indexes.
@@ -44,20 +43,20 @@ define(['./_baseSetData', './_createBind', './_createCurry', './_createHybrid',
    * @returns {Function} Returns the new wrapped function.
    */
   function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
-    var isBindKey = bitmask & BIND_KEY_FLAG;
+    var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
     if (!isBindKey && typeof func != 'function') {
       throw new TypeError(FUNC_ERROR_TEXT);
     }
     var length = partials ? partials.length : 0;
     if (!length) {
-      bitmask &= ~(PARTIAL_FLAG | PARTIAL_RIGHT_FLAG);
+      bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
       partials = holders = undefined;
     }
     ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
     arity = arity === undefined ? arity : toInteger(arity);
     length -= holders ? holders.length : 0;
 
-    if (bitmask & PARTIAL_RIGHT_FLAG) {
+    if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
       var partialsRight = partials,
           holdersRight = holders;
 
@@ -82,14 +81,14 @@ define(['./_baseSetData', './_createBind', './_createCurry', './_createHybrid',
       ? (isBindKey ? 0 : func.length)
       : nativeMax(newData[9] - length, 0);
 
-    if (!arity && bitmask & (CURRY_FLAG | CURRY_RIGHT_FLAG)) {
+    if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
-      bitmask &= ~(CURRY_FLAG | CURRY_RIGHT_FLAG);
+      bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
     }
-    if (!bitmask || bitmask == BIND_FLAG) {
+    if (!bitmask || bitmask == WRAP_BIND_FLAG) {
       var result = createBind(func, bitmask, thisArg);
-    } else if (bitmask == CURRY_FLAG || bitmask == CURRY_RIGHT_FLAG) {
+    } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
       result = createCurry(func, bitmask, arity);
-    } else if ((bitmask == PARTIAL_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) && !holders.length) {
+    } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
       result = createPartial(func, bitmask, thisArg, partials);
     } else {
       result = createHybrid.apply(undefined, newData);

_equalArrays.js

@@ -3,9 +3,9 @@ define(['./_SetCache', './_arraySome', './_cacheHas'], function(SetCache, arrayS
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
-  /** Used to compose bitmasks for comparison styles. */
+  /** Used to compose bitmasks for value comparisons. */
-  var UNORDERED_COMPARE_FLAG = 1,
+  var COMPARE_PARTIAL_FLAG = 1,
-      PARTIAL_COMPARE_FLAG = 2;
+      COMPARE_UNORDERED_FLAG = 2;
 
   /**
    * A specialized version of `baseIsEqualDeep` for arrays with support for
@@ -14,15 +14,14 @@ define(['./_SetCache', './_arraySome', './_cacheHas'], function(SetCache, arrayS
    * @private
    * @param {Array} array The array to compare.
    * @param {Array} other The other array to compare.
-   * @param {Function} equalFunc The function to determine equivalents of values.
+   * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
    * @param {Function} customizer The function to customize comparisons.
-   * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+   * @param {Function} equalFunc The function to determine equivalents of values.
-   *  for more details.
    * @param {Object} stack Tracks traversed `array` and `other` objects.
    * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
    */
-  function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
+  function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
-    var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
+    var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
         arrLength = array.length,
         othLength = other.length;
 
@@ -36,7 +35,7 @@ define(['./_SetCache', './_arraySome', './_cacheHas'], function(SetCache, arrayS
     }
     var index = -1,
         result = true,
-        seen = (bitmask & UNORDERED_COMPARE_FLAG) ? new SetCache : undefined;
+        seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
 
     stack.set(array, other);
     stack.set(other, array);
@@ -62,7 +61,7 @@ define(['./_SetCache', './_arraySome', './_cacheHas'], function(SetCache, arrayS
       if (seen) {
         if (!arraySome(other, function(othValue, othIndex) {
               if (!cacheHas(seen, othIndex) &&
-                  (arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack))) {
+                  (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
                 return seen.push(othIndex);
               }
             })) {
@@ -71,7 +70,7 @@ define(['./_SetCache', './_arraySome', './_cacheHas'], function(SetCache, arrayS
         }
       } else if (!(
             arrValue === othValue ||
-              equalFunc(arrValue, othValue, customizer, bitmask, stack)
+              equalFunc(arrValue, othValue, bitmask, customizer, stack)
           )) {
         result = false;
         break;

_equalByTag.js

@@ -3,9 +3,9 @@ define(['./_Symbol', './_Uint8Array', './eq', './_equalArrays', './_mapToArray',
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
-  /** Used to compose bitmasks for comparison styles. */
+  /** Used to compose bitmasks for value comparisons. */
-  var UNORDERED_COMPARE_FLAG = 1,
+  var COMPARE_PARTIAL_FLAG = 1,
-      PARTIAL_COMPARE_FLAG = 2;
+      COMPARE_UNORDERED_FLAG = 2;
 
   /** `Object#toString` result references. */
   var boolTag = '[object Boolean]',
@@ -36,14 +36,13 @@ define(['./_Symbol', './_Uint8Array', './eq', './_equalArrays', './_mapToArray',
    * @param {Object} object The object to compare.
    * @param {Object} other The other object to compare.
    * @param {string} tag The `toStringTag` of the objects to compare.
-   * @param {Function} equalFunc The function to determine equivalents of values.
+   * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
    * @param {Function} customizer The function to customize comparisons.
-   * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+   * @param {Function} equalFunc The function to determine equivalents of values.
-   *  for more details.
    * @param {Object} stack Tracks traversed `object` and `other` objects.
    * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
    */
-  function equalByTag(object, other, tag, equalFunc, customizer, bitmask, stack) {
+  function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
     switch (tag) {
       case dataViewTag:
         if ((object.byteLength != other.byteLength) ||
@@ -81,7 +80,7 @@ define(['./_Symbol', './_Uint8Array', './eq', './_equalArrays', './_mapToArray',
         var convert = mapToArray;
 
       case setTag:
-        var isPartial = bitmask & PARTIAL_COMPARE_FLAG;
+        var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
         convert || (convert = setToArray);
 
         if (object.size != other.size && !isPartial) {
@@ -92,11 +91,11 @@ define(['./_Symbol', './_Uint8Array', './eq', './_equalArrays', './_mapToArray',
         if (stacked) {
           return stacked == other;
         }
-        bitmask |= UNORDERED_COMPARE_FLAG;
+        bitmask |= COMPARE_UNORDERED_FLAG;
 
         // Recursively compare objects (susceptible to call stack limits).
         stack.set(object, other);
-        var result = equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask, stack);
+        var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
         stack['delete'](object);
         return result;
 

_equalObjects.js

@@ -3,8 +3,8 @@ define(['./keys'], function(keys) {
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
-  /** Used to compose bitmasks for comparison styles. */
+  /** Used to compose bitmasks for value comparisons. */
-  var PARTIAL_COMPARE_FLAG = 2;
+  var COMPARE_PARTIAL_FLAG = 1;
 
   /** Used for built-in method references. */
   var objectProto = Object.prototype;
@@ -19,15 +19,14 @@ define(['./keys'], function(keys) {
    * @private
    * @param {Object} object The object to compare.
    * @param {Object} other The other object to compare.
-   * @param {Function} equalFunc The function to determine equivalents of values.
+   * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
    * @param {Function} customizer The function to customize comparisons.
-   * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+   * @param {Function} equalFunc The function to determine equivalents of values.
-   *  for more details.
    * @param {Object} stack Tracks traversed `object` and `other` objects.
    * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
    */
-  function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
+  function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
-    var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
+    var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
         objProps = keys(object),
         objLength = objProps.length,
         othProps = keys(other),
@@ -65,7 +64,7 @@ define(['./keys'], function(keys) {
       }
       // Recursively compare objects (susceptible to call stack limits).
       if (!(compared === undefined
-            ? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack))
+            ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
             : compared
           )) {
         result = false;

_getSymbols.js

@@ -4,7 +4,7 @@ define(['./_overArg', './stubArray'], function(overArg, stubArray) {
   var nativeGetSymbols = Object.getOwnPropertySymbols;
 
   /**
-   * Creates an array of the own enumerable symbol properties of `object`.
+   * Creates an array of the own enumerable symbols of `object`.
    *
    * @private
    * @param {Object} object The object to query.

_getSymbolsIn.js

@@ -4,8 +4,7 @@ define(['./_arrayPush', './_getPrototype', './_getSymbols', './stubArray'], func
   var nativeGetSymbols = Object.getOwnPropertySymbols;
 
   /**
-   * Creates an array of the own and inherited enumerable symbol properties
+   * Creates an array of the own and inherited enumerable symbols of `object`.
-   * of `object`.
    *
    * @private
    * @param {Object} object The object to query.

_hasUnicode.js

@@ -2,15 +2,17 @@ define([], function() {
 
   /** Used to compose unicode character classes. */
   var rsAstralRange = '\\ud800-\\udfff',
-      rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
+      rsComboMarksRange = '\\u0300-\\u036f',
-      rsComboSymbolsRange = '\\u20d0-\\u20f0',
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
       rsVarRange = '\\ufe0e\\ufe0f';
 
   /** Used to compose unicode capture groups. */
   var rsZWJ = '\\u200d';
 
   /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
-  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']');
+  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
 
   /**
    * Checks if `string` contains Unicode symbols.

_mergeData.js

@@ -4,12 +4,12 @@ define(['./_composeArgs', './_composeArgsRight', './_replaceHolders'], function(
   var PLACEHOLDER = '__lodash_placeholder__';
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1,
+  var WRAP_BIND_FLAG = 1,
-      BIND_KEY_FLAG = 2,
+      WRAP_BIND_KEY_FLAG = 2,
-      CURRY_BOUND_FLAG = 4,
+      WRAP_CURRY_BOUND_FLAG = 4,
-      CURRY_FLAG = 8,
+      WRAP_CURRY_FLAG = 8,
-      ARY_FLAG = 128,
+      WRAP_ARY_FLAG = 128,
-      REARG_FLAG = 256;
+      WRAP_REARG_FLAG = 256;
 
   /* Built-in method references for those with the same name as other `lodash` methods. */
   var nativeMin = Math.min;
@@ -34,22 +34,22 @@ define(['./_composeArgs', './_composeArgsRight', './_replaceHolders'], function(
     var bitmask = data[1],
         srcBitmask = source[1],
         newBitmask = bitmask | srcBitmask,
-        isCommon = newBitmask < (BIND_FLAG | BIND_KEY_FLAG | ARY_FLAG);
+        isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
 
     var isCombo =
-      ((srcBitmask == ARY_FLAG) && (bitmask == CURRY_FLAG)) ||
+      ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
-      ((srcBitmask == ARY_FLAG) && (bitmask == REARG_FLAG) && (data[7].length <= source[8])) ||
+      ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
-      ((srcBitmask == (ARY_FLAG | REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == CURRY_FLAG));
+      ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
 
     // Exit early if metadata can't be merged.
     if (!(isCommon || isCombo)) {
       return data;
     }
     // Use source `thisArg` if available.
-    if (srcBitmask & BIND_FLAG) {
+    if (srcBitmask & WRAP_BIND_FLAG) {
       data[2] = source[2];
       // Set when currying a bound function.
-      newBitmask |= bitmask & BIND_FLAG ? 0 : CURRY_BOUND_FLAG;
+      newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
     }
     // Compose partial arguments.
     var value = source[3];
@@ -71,7 +71,7 @@ define(['./_composeArgs', './_composeArgsRight', './_replaceHolders'], function(
       data[7] = value;
     }
     // Use source `ary` if it's smaller.
-    if (srcBitmask & ARY_FLAG) {
+    if (srcBitmask & WRAP_ARY_FLAG) {
       data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
     }
     // Use source `arity` if one is not provided.

_nodeUtil.js

@@ -15,7 +15,7 @@ define(['./_freeGlobal'], function(freeGlobal) {
   /** Used to access faster Node.js helpers. */
   var nodeUtil = (function() {
     try {
-      return freeProcess && freeProcess.binding('util');
+      return freeProcess && freeProcess.binding && freeProcess.binding('util');
     } catch (e) {}
   }());
 

_unicodeSize.js

@@ -2,13 +2,15 @@ define([], function() {
 
   /** Used to compose unicode character classes. */
   var rsAstralRange = '\\ud800-\\udfff',
-      rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
+      rsComboMarksRange = '\\u0300-\\u036f',
-      rsComboSymbolsRange = '\\u20d0-\\u20f0',
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
       rsVarRange = '\\ufe0e\\ufe0f';
 
   /** Used to compose unicode capture groups. */
   var rsAstral = '[' + rsAstralRange + ']',
-      rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']',
+      rsCombo = '[' + rsComboRange + ']',
       rsFitz = '\\ud83c[\\udffb-\\udfff]',
       rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
       rsNonAstral = '[^' + rsAstralRange + ']',

_unicodeToArray.js

@@ -2,13 +2,15 @@ define([], function() {
 
   /** Used to compose unicode character classes. */
   var rsAstralRange = '\\ud800-\\udfff',
-      rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
+      rsComboMarksRange = '\\u0300-\\u036f',
-      rsComboSymbolsRange = '\\u20d0-\\u20f0',
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
       rsVarRange = '\\ufe0e\\ufe0f';
 
   /** Used to compose unicode capture groups. */
   var rsAstral = '[' + rsAstralRange + ']',
-      rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']',
+      rsCombo = '[' + rsComboRange + ']',
       rsFitz = '\\ud83c[\\udffb-\\udfff]',
       rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
       rsNonAstral = '[^' + rsAstralRange + ']',

_unicodeWords.js

@@ -2,8 +2,10 @@ define([], function() {
 
   /** Used to compose unicode character classes. */
   var rsAstralRange = '\\ud800-\\udfff',
-      rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
+      rsComboMarksRange = '\\u0300-\\u036f',
-      rsComboSymbolsRange = '\\u20d0-\\u20f0',
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
       rsDingbatRange = '\\u2700-\\u27bf',
       rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
       rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
@@ -17,7 +19,7 @@ define([], function() {
   /** Used to compose unicode capture groups. */
   var rsApos = "['\u2019]",
       rsBreak = '[' + rsBreakRange + ']',
-      rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']',
+      rsCombo = '[' + rsComboRange + ']',
       rsDigits = '\\d+',
       rsDingbat = '[' + rsDingbatRange + ']',
       rsLower = '[' + rsLowerRange + ']',

_updateWrapDetails.js

@@ -1,27 +1,27 @@
 define(['./_arrayEach', './_arrayIncludes'], function(arrayEach, arrayIncludes) {
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1,
+  var WRAP_BIND_FLAG = 1,
-      BIND_KEY_FLAG = 2,
+      WRAP_BIND_KEY_FLAG = 2,
-      CURRY_FLAG = 8,
+      WRAP_CURRY_FLAG = 8,
-      CURRY_RIGHT_FLAG = 16,
+      WRAP_CURRY_RIGHT_FLAG = 16,
-      PARTIAL_FLAG = 32,
+      WRAP_PARTIAL_FLAG = 32,
-      PARTIAL_RIGHT_FLAG = 64,
+      WRAP_PARTIAL_RIGHT_FLAG = 64,
-      ARY_FLAG = 128,
+      WRAP_ARY_FLAG = 128,
-      REARG_FLAG = 256,
+      WRAP_REARG_FLAG = 256,
-      FLIP_FLAG = 512;
+      WRAP_FLIP_FLAG = 512;
 
   /** Used to associate wrap methods with their bit flags. */
   var wrapFlags = [
-    ['ary', ARY_FLAG],
+    ['ary', WRAP_ARY_FLAG],
-    ['bind', BIND_FLAG],
+    ['bind', WRAP_BIND_FLAG],
-    ['bindKey', BIND_KEY_FLAG],
+    ['bindKey', WRAP_BIND_KEY_FLAG],
-    ['curry', CURRY_FLAG],
+    ['curry', WRAP_CURRY_FLAG],
-    ['curryRight', CURRY_RIGHT_FLAG],
+    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
-    ['flip', FLIP_FLAG],
+    ['flip', WRAP_FLIP_FLAG],
-    ['partial', PARTIAL_FLAG],
+    ['partial', WRAP_PARTIAL_FLAG],
-    ['partialRight', PARTIAL_RIGHT_FLAG],
+    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
-    ['rearg', REARG_FLAG]
+    ['rearg', WRAP_REARG_FLAG]
   ];
 
   /**

ary.js

@@ -4,7 +4,7 @@ define(['./_createWrap'], function(createWrap) {
   var undefined;
 
   /** Used to compose bitmasks for function metadata. */
-  var ARY_FLAG = 128;
+  var WRAP_ARY_FLAG = 128;
 
   /**
    * Creates a function that invokes `func`, with up to `n` arguments,
@@ -26,7 +26,7 @@ define(['./_createWrap'], function(createWrap) {
   function ary(func, n, guard) {
     n = guard ? undefined : n;
     n = (func && n == null) ? func.length : n;
-    return createWrap(func, ARY_FLAG, undefined, undefined, undefined, undefined, n);
+    return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
   }
 
   return ary;

at.js

@@ -8,7 +8,7 @@ define(['./_baseAt', './_flatRest'], function(baseAt, flatRest) {
    * @since 1.0.0
    * @category Object
    * @param {Object} object The object to iterate over.
-   * @param {...(string|string[])} [paths] The property paths of elements to pick.
+   * @param {...(string|string[])} [paths] The property paths to pick.
    * @returns {Array} Returns the picked values.
    * @example
    *

bind.js

@@ -1,8 +1,8 @@
 define(['./_baseRest', './_createWrap', './_getHolder', './_replaceHolders'], function(baseRest, createWrap, getHolder, replaceHolders) {
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1,
+  var WRAP_BIND_FLAG = 1,
-      PARTIAL_FLAG = 32;
+      WRAP_PARTIAL_FLAG = 32;
 
   /**
    * Creates a function that invokes `func` with the `this` binding of `thisArg`
@@ -40,10 +40,10 @@ define(['./_baseRest', './_createWrap', './_getHolder', './_replaceHolders'], fu
    * // => 'hi fred!'
    */
   var bind = baseRest(function(func, thisArg, partials) {
-    var bitmask = BIND_FLAG;
+    var bitmask = WRAP_BIND_FLAG;
     if (partials.length) {
       var holders = replaceHolders(partials, getHolder(bind));
-      bitmask |= PARTIAL_FLAG;
+      bitmask |= WRAP_PARTIAL_FLAG;
     }
     return createWrap(func, bitmask, thisArg, partials, holders);
   });

bindKey.js

@@ -1,9 +1,9 @@
 define(['./_baseRest', './_createWrap', './_getHolder', './_replaceHolders'], function(baseRest, createWrap, getHolder, replaceHolders) {
 
   /** Used to compose bitmasks for function metadata. */
-  var BIND_FLAG = 1,
+  var WRAP_BIND_FLAG = 1,
-      BIND_KEY_FLAG = 2,
+      WRAP_BIND_KEY_FLAG = 2,
-      PARTIAL_FLAG = 32;
+      WRAP_PARTIAL_FLAG = 32;
 
   /**
    * Creates a function that invokes the method at `object[key]` with `partials`
@@ -51,10 +51,10 @@ define(['./_baseRest', './_createWrap', './_getHolder', './_replaceHolders'], fu
    * // => 'hiya fred!'
    */
   var bindKey = baseRest(function(object, key, partials) {
-    var bitmask = BIND_FLAG | BIND_KEY_FLAG;
+    var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
     if (partials.length) {
       var holders = replaceHolders(partials, getHolder(bindKey));
-      bitmask |= PARTIAL_FLAG;
+      bitmask |= WRAP_PARTIAL_FLAG;
     }
     return createWrap(key, bitmask, object, partials, holders);
   });

clone.js

@@ -1,5 +1,8 @@
 define(['./_baseClone'], function(baseClone) {
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_SYMBOLS_FLAG = 4;
+
   /**
    * Creates a shallow clone of `value`.
    *
@@ -27,7 +30,7 @@ define(['./_baseClone'], function(baseClone) {
    * // => true
    */
   function clone(value) {
-    return baseClone(value, false, true);
+    return baseClone(value, CLONE_SYMBOLS_FLAG);
   }
 
   return clone;

cloneDeep.js

@@ -1,5 +1,9 @@
 define(['./_baseClone'], function(baseClone) {
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1,
+      CLONE_SYMBOLS_FLAG = 4;
+
   /**
    * This method is like `_.clone` except that it recursively clones `value`.
    *
@@ -19,7 +23,7 @@ define(['./_baseClone'], function(baseClone) {
    * // => false
    */
   function cloneDeep(value) {
-    return baseClone(value, true, true);
+    return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
   }
 
   return cloneDeep;

cloneDeepWith.js

@@ -3,6 +3,10 @@ define(['./_baseClone'], function(baseClone) {
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1,
+      CLONE_SYMBOLS_FLAG = 4;
+
   /**
    * This method is like `_.cloneWith` except that it recursively clones `value`.
    *
@@ -33,7 +37,7 @@ define(['./_baseClone'], function(baseClone) {
    */
   function cloneDeepWith(value, customizer) {
     customizer = typeof customizer == 'function' ? customizer : undefined;
-    return baseClone(value, true, true, customizer);
+    return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
   }
 
   return cloneDeepWith;

cloneWith.js

@@ -3,6 +3,9 @@ define(['./_baseClone'], function(baseClone) {
   /** Used as a safe reference for `undefined` in pre-ES5 environments. */
   var undefined;
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_SYMBOLS_FLAG = 4;
+
   /**
    * This method is like `_.clone` except that it accepts `customizer` which
    * is invoked to produce the cloned value. If `customizer` returns `undefined`,
@@ -36,7 +39,7 @@ define(['./_baseClone'], function(baseClone) {
    */
   function cloneWith(value, customizer) {
     customizer = typeof customizer == 'function' ? customizer : undefined;
-    return baseClone(value, false, true, customizer);
+    return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
   }
 
   return cloneWith;

conforms.js

@@ -1,5 +1,8 @@
 define(['./_baseClone', './_baseConforms'], function(baseClone, baseConforms) {
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1;
+
   /**
    * Creates a function that invokes the predicate properties of `source` with
    * the corresponding property values of a given object, returning `true` if
@@ -25,7 +28,7 @@ define(['./_baseClone', './_baseConforms'], function(baseClone, baseConforms) {
    * // => [{ 'a': 1, 'b': 2 }]
    */
   function conforms(source) {
-    return baseConforms(baseClone(source, true));
+    return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
   }
 
   return conforms;

curry.js

@@ -4,7 +4,7 @@ define(['./_createWrap'], function(createWrap) {
   var undefined;
 
   /** Used to compose bitmasks for function metadata. */
-  var CURRY_FLAG = 8;
+  var WRAP_CURRY_FLAG = 8;
 
   /**
    * Creates a function that accepts arguments of `func` and either invokes
@@ -49,7 +49,7 @@ define(['./_createWrap'], function(createWrap) {
    */
   function curry(func, arity, guard) {
     arity = guard ? undefined : arity;
-    var result = createWrap(func, CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+    var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
     result.placeholder = curry.placeholder;
     return result;
   }

curryRight.js

@@ -4,7 +4,7 @@ define(['./_createWrap'], function(createWrap) {
   var undefined;
 
   /** Used to compose bitmasks for function metadata. */
-  var CURRY_RIGHT_FLAG = 16;
+  var WRAP_CURRY_RIGHT_FLAG = 16;
 
   /**
    * This method is like `_.curry` except that arguments are applied to `func`
@@ -46,7 +46,7 @@ define(['./_createWrap'], function(createWrap) {
    */
   function curryRight(func, arity, guard) {
     arity = guard ? undefined : arity;
-    var result = createWrap(func, CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+    var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
     result.placeholder = curryRight.placeholder;
     return result;
   }

deburr.js

@@ -4,11 +4,13 @@ define(['./_deburrLetter', './toString'], function(deburrLetter, toString) {
   var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
 
   /** Used to compose unicode character classes. */
-  var rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
+  var rsComboMarksRange = '\\u0300-\\u036f',
-      rsComboSymbolsRange = '\\u20d0-\\u20f0';
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange;
 
   /** Used to compose unicode capture groups. */
-  var rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']';
+  var rsCombo = '[' + rsComboRange + ']';
 
   /**
    * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and

flip.js

@@ -1,7 +1,7 @@
 define(['./_createWrap'], function(createWrap) {
 
   /** Used to compose bitmasks for function metadata. */
-  var FLIP_FLAG = 512;
+  var WRAP_FLIP_FLAG = 512;
 
   /**
    * Creates a function that invokes `func` with arguments reversed.
@@ -22,7 +22,7 @@ define(['./_createWrap'], function(createWrap) {
    * // => ['d', 'c', 'b', 'a']
    */
   function flip(func) {
-    return createWrap(func, FLIP_FLAG);
+    return createWrap(func, WRAP_FLIP_FLAG);
   }
 
   return flip;

isEqualWith.js

@@ -38,7 +38,7 @@ define(['./_baseIsEqual'], function(baseIsEqual) {
   function isEqualWith(value, other, customizer) {
     customizer = typeof customizer == 'function' ? customizer : undefined;
     var result = customizer ? customizer(value, other) : undefined;
-    return result === undefined ? baseIsEqual(value, other, customizer) : !!result;
+    return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
   }
 
   return isEqualWith;

isNative.js

@@ -1,7 +1,7 @@
 define(['./_baseIsNative', './_isMaskable'], function(baseIsNative, isMaskable) {
 
   /** Error message constants. */
-  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://github.com/es-shims.';
+  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.';
 
   /**
    * Checks if `value` is a pristine native function.

iteratee.js

@@ -1,5 +1,8 @@
 define(['./_baseClone', './_baseIteratee'], function(baseClone, baseIteratee) {
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1;
+
   /**
    * Creates a function that invokes `func` with the arguments of the created
    * function. If `func` is a property name, the created function returns the
@@ -43,7 +46,7 @@ define(['./_baseClone', './_baseIteratee'], function(baseClone, baseIteratee) {
    * // => ['def']
    */
   function iteratee(func) {
-    return baseIteratee(typeof func == 'function' ? func : baseClone(func, true));
+    return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
   }
 
   return iteratee;

main.js

@@ -1,6 +1,6 @@
 /**
  * @license
- * lodash (Custom Build) <https://lodash.com/>
+ * Lodash (Custom Build) <https://lodash.com/>
  * Build: `lodash exports="amd" -d -o ./main.js`
  * Copyright JS Foundation and other contributors <https://js.foundation/>
  * Released under MIT license <https://lodash.com/license>
@@ -13,13 +13,13 @@
   var undefined;
 
   /** Used as the semantic version number. */
-  var VERSION = '4.16.5';
+  var VERSION = '4.17.0';
 
   /** Used as the size to enable large array optimizations. */
   var LARGE_ARRAY_SIZE = 200;
 
   /** Error message constants. */
-  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://github.com/es-shims.',
+  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
       FUNC_ERROR_TEXT = 'Expected a function';
 
   /** Used to stand-in for `undefined` hash values. */
@@ -31,21 +31,26 @@
   /** Used as the internal argument placeholder. */
   var PLACEHOLDER = '__lodash_placeholder__';
 
-  /** Used to compose bitmasks for function metadata. */
+  /** Used to compose bitmasks for cloning. */
-  var BIND_FLAG = 1,
+  var CLONE_DEEP_FLAG = 1,
-      BIND_KEY_FLAG = 2,
+      CLONE_FLAT_FLAG = 2,
-      CURRY_BOUND_FLAG = 4,
+      CLONE_SYMBOLS_FLAG = 4;
-      CURRY_FLAG = 8,
-      CURRY_RIGHT_FLAG = 16,
-      PARTIAL_FLAG = 32,
-      PARTIAL_RIGHT_FLAG = 64,
-      ARY_FLAG = 128,
-      REARG_FLAG = 256,
-      FLIP_FLAG = 512;
 
-  /** Used to compose bitmasks for comparison styles. */
+  /** Used to compose bitmasks for value comparisons. */
-  var UNORDERED_COMPARE_FLAG = 1,
+  var COMPARE_PARTIAL_FLAG = 1,
-      PARTIAL_COMPARE_FLAG = 2;
+      COMPARE_UNORDERED_FLAG = 2;
+
+  /** Used to compose bitmasks for function metadata. */
+  var WRAP_BIND_FLAG = 1,
+      WRAP_BIND_KEY_FLAG = 2,
+      WRAP_CURRY_BOUND_FLAG = 4,
+      WRAP_CURRY_FLAG = 8,
+      WRAP_CURRY_RIGHT_FLAG = 16,
+      WRAP_PARTIAL_FLAG = 32,
+      WRAP_PARTIAL_RIGHT_FLAG = 64,
+      WRAP_ARY_FLAG = 128,
+      WRAP_REARG_FLAG = 256,
+      WRAP_FLIP_FLAG = 512;
 
   /** Used as default options for `_.truncate`. */
   var DEFAULT_TRUNC_LENGTH = 30,
@@ -73,15 +78,15 @@
 
   /** Used to associate wrap methods with their bit flags. */
   var wrapFlags = [
-    ['ary', ARY_FLAG],
+    ['ary', WRAP_ARY_FLAG],
-    ['bind', BIND_FLAG],
+    ['bind', WRAP_BIND_FLAG],
-    ['bindKey', BIND_KEY_FLAG],
+    ['bindKey', WRAP_BIND_KEY_FLAG],
-    ['curry', CURRY_FLAG],
+    ['curry', WRAP_CURRY_FLAG],
-    ['curryRight', CURRY_RIGHT_FLAG],
+    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
-    ['flip', FLIP_FLAG],
+    ['flip', WRAP_FLIP_FLAG],
-    ['partial', PARTIAL_FLAG],
+    ['partial', WRAP_PARTIAL_FLAG],
-    ['partialRight', PARTIAL_RIGHT_FLAG],
+    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
-    ['rearg', REARG_FLAG]
+    ['rearg', WRAP_REARG_FLAG]
   ];
 
   /** `Object#toString` result references. */
@@ -200,8 +205,10 @@
 
   /** Used to compose unicode character classes. */
   var rsAstralRange = '\\ud800-\\udfff',
-      rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
+      rsComboMarksRange = '\\u0300-\\u036f',
-      rsComboSymbolsRange = '\\u20d0-\\u20f0',
+      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
       rsDingbatRange = '\\u2700-\\u27bf',
       rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
       rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
@@ -216,7 +223,7 @@
   var rsApos = "['\u2019]",
       rsAstral = '[' + rsAstralRange + ']',
       rsBreak = '[' + rsBreakRange + ']',
-      rsCombo = '[' + rsComboMarksRange + rsComboSymbolsRange + ']',
+      rsCombo = '[' + rsComboRange + ']',
       rsDigits = '\\d+',
       rsDingbat = '[' + rsDingbatRange + ']',
       rsLower = '[' + rsLowerRange + ']',
@@ -268,7 +275,7 @@
   ].join('|'), 'g');
 
   /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
-  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']');
+  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
 
   /** Used to detect strings that need a more robust regexp to match words. */
   var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
@@ -431,7 +438,7 @@
   /** Used to access faster Node.js helpers. */
   var nodeUtil = (function() {
     try {
-      return freeProcess && freeProcess.binding('util');
+      return freeProcess && freeProcess.binding && freeProcess.binding('util');
     } catch (e) {}
   }());
 
@@ -2559,6 +2566,19 @@
       return object && copyObject(source, keys(source), object);
     }
 
+    /**
+     * The base implementation of `_.assignIn` without support for multiple sources
+     * or `customizer` functions.
+     *
+     * @private
+     * @param {Object} object The destination object.
+     * @param {Object} source The source object.
+     * @returns {Object} Returns `object`.
+     */
+    function baseAssignIn(object, source) {
+      return object && copyObject(source, keysIn(source), object);
+    }
+
     /**
      * The base implementation of `assignValue` and `assignMergeValue` without
      * value checks.
@@ -2586,7 +2606,7 @@
      *
      * @private
      * @param {Object} object The object to iterate over.
-     * @param {string[]} paths The property paths of elements to pick.
+     * @param {string[]} paths The property paths to pick.
      * @returns {Array} Returns the picked elements.
      */
     function baseAt(object, paths) {
@@ -2628,16 +2648,22 @@
      *
      * @private
      * @param {*} value The value to clone.
-     * @param {boolean} [isDeep] Specify a deep clone.
+     * @param {boolean} bitmask The bitmask flags.
-     * @param {boolean} [isFull] Specify a clone including symbols.
+     *  1 - Deep clone
+     *  2 - Flatten inherited properties
+     *  4 - Clone symbols
      * @param {Function} [customizer] The function to customize cloning.
      * @param {string} [key] The key of `value`.
      * @param {Object} [object] The parent object of `value`.
      * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
      * @returns {*} Returns the cloned value.
      */
-    function baseClone(value, isDeep, isFull, customizer, key, object, stack) {
+    function baseClone(value, bitmask, customizer, key, object, stack) {
-      var result;
+      var result,
+          isDeep = bitmask & CLONE_DEEP_FLAG,
+          isFlat = bitmask & CLONE_FLAT_FLAG,
+          isFull = bitmask & CLONE_SYMBOLS_FLAG;
+
       if (customizer) {
         result = object ? customizer(value, key, object, stack) : customizer(value);
       }
@@ -2661,9 +2687,11 @@
           return cloneBuffer(value, isDeep);
         }
         if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
-          result = initCloneObject(isFunc ? {} : value);
+          result = (isFlat || isFunc) ? {} : initCloneObject(value);
           if (!isDeep) {
-            return copySymbols(value, baseAssign(result, value));
+            return isFlat
+              ? copySymbolsIn(value, baseAssignIn(result, value))
+              : copySymbols(value, baseAssign(result, value));
           }
         } else {
           if (!cloneableTags[tag]) {
@@ -2680,14 +2708,18 @@
       }
       stack.set(value, result);
 
-      var props = isArr ? undefined : (isFull ? getAllKeys : keys)(value);
+      var keysFunc = isFull
+        ? (isFlat ? getAllKeysIn : getAllKeys)
+        : (isFlat ? keysIn : keys);
+
+      var props = isArr ? undefined : keysFunc(value);
       arrayEach(props || value, function(subValue, key) {
         if (props) {
           key = subValue;
           subValue = value[key];
         }
         // Recursively populate clone (susceptible to call stack limits).
-        assignValue(result, key, baseClone(subValue, isDeep, isFull, customizer, key, value, stack));
+        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
       });
       return result;
     }
@@ -3260,22 +3292,21 @@
      * @private
      * @param {*} value The value to compare.
      * @param {*} other The other value to compare.
+     * @param {boolean} bitmask The bitmask flags.
+     *  1 - Unordered comparison
+     *  2 - Partial comparison
      * @param {Function} [customizer] The function to customize comparisons.
-     * @param {boolean} [bitmask] The bitmask of comparison flags.
-     *  The bitmask may be composed of the following flags:
-     *     1 - Unordered comparison
-     *     2 - Partial comparison
      * @param {Object} [stack] Tracks traversed `value` and `other` objects.
      * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
      */
-    function baseIsEqual(value, other, customizer, bitmask, stack) {
+    function baseIsEqual(value, other, bitmask, customizer, stack) {
       if (value === other) {
         return true;
       }
       if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
         return value !== value && other !== other;
       }
-      return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
+      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
     }
 
     /**
@@ -3286,14 +3317,13 @@
      * @private
      * @param {Object} object The object to compare.
      * @param {Object} other The other object to compare.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+     * @param {Function} customizer The function to customize comparisons.
      * @param {Function} equalFunc The function to determine equivalents of values.
-     * @param {Function} [customizer] The function to customize comparisons.
-     * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual`
-     *  for more details.
      * @param {Object} [stack] Tracks traversed `object` and `other` objects.
      * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
      */
-    function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) {
+    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
       var objIsArr = isArray(object),
           othIsArr = isArray(other),
           objTag = arrayTag,
@@ -3321,10 +3351,10 @@
       if (isSameTag && !objIsObj) {
         stack || (stack = new Stack);
         return (objIsArr || isTypedArray(object))
-          ? equalArrays(object, other, equalFunc, customizer, bitmask, stack)
+          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
-          : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack);
+          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
       }
-      if (!(bitmask & PARTIAL_COMPARE_FLAG)) {
+      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
         var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
             othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
 
@@ -3333,14 +3363,14 @@
               othUnwrapped = othIsWrapped ? other.value() : other;
 
           stack || (stack = new Stack);
-          return equalFunc(objUnwrapped, othUnwrapped, customizer, bitmask, stack);
+          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
         }
       }
       if (!isSameTag) {
         return false;
       }
       stack || (stack = new Stack);
-      return equalObjects(object, other, equalFunc, customizer, bitmask, stack);
+      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
     }
 
     /**
@@ -3398,7 +3428,7 @@
             var result = customizer(objValue, srcValue, key, object, source, stack);
           }
           if (!(result === undefined
-                ? baseIsEqual(srcValue, objValue, customizer, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG, stack)
+                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
                 : result
               )) {
             return false;
@@ -3588,7 +3618,7 @@
         var objValue = get(object, path);
         return (objValue === undefined && objValue === srcValue)
           ? hasIn(object, path)
-          : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG);
+          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
       };
     }
 
@@ -3750,13 +3780,13 @@
      *
      * @private
      * @param {Object} object The source object.
-     * @param {string[]} props The property identifiers to pick.
+     * @param {string[]} paths The property paths to pick.
      * @returns {Object} Returns the new object.
      */
-    function basePick(object, props) {
+    function basePick(object, paths) {
       object = Object(object);
-      return basePickBy(object, props, function(value, key) {
+      return basePickBy(object, paths, function(value, path) {
-        return key in object;
+        return hasIn(object, path);
       });
     }
 
@@ -3765,21 +3795,21 @@
      *
      * @private
      * @param {Object} object The source object.
-     * @param {string[]} props The property identifiers to pick from.
+     * @param {string[]} paths The property paths to pick.
      * @param {Function} predicate The function invoked per property.
      * @returns {Object} Returns the new object.
      */
-    function basePickBy(object, props, predicate) {
+    function basePickBy(object, paths, predicate) {
       var index = -1,
-          length = props.length,
+          length = paths.length,
           result = {};
 
       while (++index < length) {
-        var key = props[index],
+        var path = paths[index],
-            value = object[key];
+            value = baseGet(object, path);
 
-        if (predicate(value, key)) {
+        if (predicate(value, path)) {
-          baseAssignValue(result, key, value);
+          baseSet(result, path, value);
         }
       }
       return result;
@@ -4323,7 +4353,7 @@
      *
      * @private
      * @param {Object} object The object to modify.
-     * @param {Array|string} path The path of the property to unset.
+     * @param {Array|string} path The property path to unset.
      * @returns {boolean} Returns `true` if the property is deleted, else `false`.
      */
     function baseUnset(object, path) {
@@ -4414,9 +4444,8 @@
             othIndex = -1;
 
         while (++othIndex < length) {
-          var othArray = arrays[othIndex];
+          if (othIndex != index) {
-          if (othArray !== array) {
+            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
-            result[index] = baseDifference(result[index] || array, othArray, iteratee, comparator);
           }
         }
       }
@@ -4569,7 +4598,7 @@
      * @returns {Object} Returns the cloned map.
      */
     function cloneMap(map, isDeep, cloneFunc) {
-      var array = isDeep ? cloneFunc(mapToArray(map), true) : mapToArray(map);
+      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);
       return arrayReduce(array, addMapEntry, new map.constructor);
     }
 
@@ -4596,7 +4625,7 @@
      * @returns {Object} Returns the cloned set.
      */
     function cloneSet(set, isDeep, cloneFunc) {
-      var array = isDeep ? cloneFunc(setToArray(set), true) : setToArray(set);
+      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);
       return arrayReduce(array, addSetEntry, new set.constructor);
     }
 
@@ -4831,7 +4860,7 @@
     }
 
     /**
-     * Copies own symbol properties of `source` to `object`.
+     * Copies own symbols of `source` to `object`.
      *
      * @private
      * @param {Object} source The object to copy symbols from.
@@ -4842,6 +4871,18 @@
       return copyObject(source, getSymbols(source), object);
     }
 
+    /**
+     * Copies own and inherited symbols of `source` to `object`.
+     *
+     * @private
+     * @param {Object} source The object to copy symbols from.
+     * @param {Object} [object={}] The object to copy symbols to.
+     * @returns {Object} Returns `object`.
+     */
+    function copySymbolsIn(source, object) {
+      return copyObject(source, getSymbolsIn(source), object);
+    }
+
     /**
      * Creates a function like `_.groupBy`.
      *
@@ -4956,7 +4997,7 @@
      * @returns {Function} Returns the new wrapped function.
      */
     function createBind(func, bitmask, thisArg) {
-      var isBind = bitmask & BIND_FLAG,
+      var isBind = bitmask & WRAP_BIND_FLAG,
           Ctor = createCtor(func);
 
       function wrapper() {
@@ -5129,7 +5170,7 @@
               data = funcName == 'wrapper' ? getData(func) : undefined;
 
           if (data && isLaziable(data[0]) &&
-                data[1] == (ARY_FLAG | CURRY_FLAG | PARTIAL_FLAG | REARG_FLAG) &&
+                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
                 !data[4].length && data[9] == 1
               ) {
             wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
@@ -5178,11 +5219,11 @@
      * @returns {Function} Returns the new wrapped function.
      */
     function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
-      var isAry = bitmask & ARY_FLAG,
+      var isAry = bitmask & WRAP_ARY_FLAG,
-          isBind = bitmask & BIND_FLAG,
+          isBind = bitmask & WRAP_BIND_FLAG,
-          isBindKey = bitmask & BIND_KEY_FLAG,
+          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
-          isCurried = bitmask & (CURRY_FLAG | CURRY_RIGHT_FLAG),
+          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
-          isFlip = bitmask & FLIP_FLAG,
+          isFlip = bitmask & WRAP_FLIP_FLAG,
           Ctor = isBindKey ? undefined : createCtor(func);
 
       function wrapper() {
@@ -5333,7 +5374,7 @@
      * @returns {Function} Returns the new wrapped function.
      */
     function createPartial(func, bitmask, thisArg, partials) {
-      var isBind = bitmask & BIND_FLAG,
+      var isBind = bitmask & WRAP_BIND_FLAG,
           Ctor = createCtor(func);
 
       function wrapper() {
@@ -5415,17 +5456,17 @@
      * @returns {Function} Returns the new wrapped function.
      */
     function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
-      var isCurry = bitmask & CURRY_FLAG,
+      var isCurry = bitmask & WRAP_CURRY_FLAG,
           newHolders = isCurry ? holders : undefined,
           newHoldersRight = isCurry ? undefined : holders,
           newPartials = isCurry ? partials : undefined,
           newPartialsRight = isCurry ? undefined : partials;
 
-      bitmask |= (isCurry ? PARTIAL_FLAG : PARTIAL_RIGHT_FLAG);
+      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
-      bitmask &= ~(isCurry ? PARTIAL_RIGHT_FLAG : PARTIAL_FLAG);
+      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
 
-      if (!(bitmask & CURRY_BOUND_FLAG)) {
+      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
-        bitmask &= ~(BIND_FLAG | BIND_KEY_FLAG);
+        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
       }
       var newData = [
         func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
@@ -5503,17 +5544,16 @@
      * @private
      * @param {Function|string} func The function or method name to wrap.
      * @param {number} bitmask The bitmask flags.
-     *  The bitmask may be composed of the following flags:
+     *    1 - `_.bind`
-     *     1 - `_.bind`
+     *    2 - `_.bindKey`
-     *     2 - `_.bindKey`
+     *    4 - `_.curry` or `_.curryRight` of a bound function
-     *     4 - `_.curry` or `_.curryRight` of a bound function
+     *    8 - `_.curry`
-     *     8 - `_.curry`
+     *   16 - `_.curryRight`
-     *    16 - `_.curryRight`
+     *   32 - `_.partial`
-     *    32 - `_.partial`
+     *   64 - `_.partialRight`
-     *    64 - `_.partialRight`
+     *  128 - `_.rearg`
-     *   128 - `_.rearg`
+     *  256 - `_.ary`
-     *   256 - `_.ary`
+     *  512 - `_.flip`
-     *   512 - `_.flip`
      * @param {*} [thisArg] The `this` binding of `func`.
      * @param {Array} [partials] The arguments to be partially applied.
      * @param {Array} [holders] The `partials` placeholder indexes.
@@ -5523,20 +5563,20 @@
      * @returns {Function} Returns the new wrapped function.
      */
     function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
-      var isBindKey = bitmask & BIND_KEY_FLAG;
+      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
       if (!isBindKey && typeof func != 'function') {
         throw new TypeError(FUNC_ERROR_TEXT);
       }
       var length = partials ? partials.length : 0;
       if (!length) {
-        bitmask &= ~(PARTIAL_FLAG | PARTIAL_RIGHT_FLAG);
+        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
         partials = holders = undefined;
       }
       ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
       arity = arity === undefined ? arity : toInteger(arity);
       length -= holders ? holders.length : 0;
 
-      if (bitmask & PARTIAL_RIGHT_FLAG) {
+      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
         var partialsRight = partials,
             holdersRight = holders;
 
@@ -5561,14 +5601,14 @@
         ? (isBindKey ? 0 : func.length)
         : nativeMax(newData[9] - length, 0);
 
-      if (!arity && bitmask & (CURRY_FLAG | CURRY_RIGHT_FLAG)) {
+      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
-        bitmask &= ~(CURRY_FLAG | CURRY_RIGHT_FLAG);
+        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
       }
-      if (!bitmask || bitmask == BIND_FLAG) {
+      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
         var result = createBind(func, bitmask, thisArg);
-      } else if (bitmask == CURRY_FLAG || bitmask == CURRY_RIGHT_FLAG) {
+      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
         result = createCurry(func, bitmask, arity);
-      } else if ((bitmask == PARTIAL_FLAG || bitmask == (BIND_FLAG | PARTIAL_FLAG)) && !holders.length) {
+      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
         result = createPartial(func, bitmask, thisArg, partials);
       } else {
         result = createHybrid.apply(undefined, newData);
@@ -5584,15 +5624,14 @@
      * @private
      * @param {Array} array The array to compare.
      * @param {Array} other The other array to compare.
-     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
      * @param {Function} customizer The function to customize comparisons.
-     * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+     * @param {Function} equalFunc The function to determine equivalents of values.
-     *  for more details.
      * @param {Object} stack Tracks traversed `array` and `other` objects.
      * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
      */
-    function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
+    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
-      var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
           arrLength = array.length,
           othLength = other.length;
 
@@ -5606,7 +5645,7 @@
       }
       var index = -1,
           result = true,
-          seen = (bitmask & UNORDERED_COMPARE_FLAG) ? new SetCache : undefined;
+          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
 
       stack.set(array, other);
       stack.set(other, array);
@@ -5632,7 +5671,7 @@
         if (seen) {
           if (!arraySome(other, function(othValue, othIndex) {
                 if (!cacheHas(seen, othIndex) &&
-                    (arrValue === othValue || equalFunc(arrValue, othValue, customizer, bitmask, stack))) {
+                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
                   return seen.push(othIndex);
                 }
               })) {
@@ -5641,7 +5680,7 @@
           }
         } else if (!(
               arrValue === othValue ||
-                equalFunc(arrValue, othValue, customizer, bitmask, stack)
+                equalFunc(arrValue, othValue, bitmask, customizer, stack)
             )) {
           result = false;
           break;
@@ -5663,14 +5702,13 @@
      * @param {Object} object The object to compare.
      * @param {Object} other The other object to compare.
      * @param {string} tag The `toStringTag` of the objects to compare.
-     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
      * @param {Function} customizer The function to customize comparisons.
-     * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+     * @param {Function} equalFunc The function to determine equivalents of values.
-     *  for more details.
      * @param {Object} stack Tracks traversed `object` and `other` objects.
      * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
      */
-    function equalByTag(object, other, tag, equalFunc, customizer, bitmask, stack) {
+    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
       switch (tag) {
         case dataViewTag:
           if ((object.byteLength != other.byteLength) ||
@@ -5708,7 +5746,7 @@
           var convert = mapToArray;
 
         case setTag:
-          var isPartial = bitmask & PARTIAL_COMPARE_FLAG;
+          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
           convert || (convert = setToArray);
 
           if (object.size != other.size && !isPartial) {
@@ -5719,11 +5757,11 @@
           if (stacked) {
             return stacked == other;
           }
-          bitmask |= UNORDERED_COMPARE_FLAG;
+          bitmask |= COMPARE_UNORDERED_FLAG;
 
           // Recursively compare objects (susceptible to call stack limits).
           stack.set(object, other);
-          var result = equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask, stack);
+          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
           stack['delete'](object);
           return result;
 
@@ -5742,15 +5780,14 @@
      * @private
      * @param {Object} object The object to compare.
      * @param {Object} other The other object to compare.
-     * @param {Function} equalFunc The function to determine equivalents of values.
+     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
      * @param {Function} customizer The function to customize comparisons.
-     * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
+     * @param {Function} equalFunc The function to determine equivalents of values.
-     *  for more details.
      * @param {Object} stack Tracks traversed `object` and `other` objects.
      * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
      */
-    function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
+    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
-      var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
+      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
           objProps = keys(object),
           objLength = objProps.length,
           othProps = keys(other),
@@ -5788,7 +5825,7 @@
         }
         // Recursively compare objects (susceptible to call stack limits).
         if (!(compared === undefined
-              ? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack))
+              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
               : compared
             )) {
           result = false;
@@ -5985,7 +6022,7 @@
     }
 
     /**
-     * Creates an array of the own enumerable symbol properties of `object`.
+     * Creates an array of the own enumerable symbols of `object`.
      *
      * @private
      * @param {Object} object The object to query.
@@ -5994,8 +6031,7 @@
     var getSymbols = nativeGetSymbols ? overArg(nativeGetSymbols, Object) : stubArray;
 
     /**
-     * Creates an array of the own and inherited enumerable symbol properties
+     * Creates an array of the own and inherited enumerable symbols of `object`.
-     * of `object`.
      *
      * @private
      * @param {Object} object The object to query.
@@ -6427,22 +6463,22 @@
       var bitmask = data[1],
           srcBitmask = source[1],
           newBitmask = bitmask | srcBitmask,
-          isCommon = newBitmask < (BIND_FLAG | BIND_KEY_FLAG | ARY_FLAG);
+          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
 
       var isCombo =
-        ((srcBitmask == ARY_FLAG) && (bitmask == CURRY_FLAG)) ||
+        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
-        ((srcBitmask == ARY_FLAG) && (bitmask == REARG_FLAG) && (data[7].length <= source[8])) ||
+        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
-        ((srcBitmask == (ARY_FLAG | REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == CURRY_FLAG));
+        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
 
       // Exit early if metadata can't be merged.
       if (!(isCommon || isCombo)) {
         return data;
       }
       // Use source `thisArg` if available.
-      if (srcBitmask & BIND_FLAG) {
+      if (srcBitmask & WRAP_BIND_FLAG) {
         data[2] = source[2];
         // Set when currying a bound function.
-        newBitmask |= bitmask & BIND_FLAG ? 0 : CURRY_BOUND_FLAG;
+        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
       }
       // Compose partial arguments.
       var value = source[3];
@@ -6464,7 +6500,7 @@
         data[7] = value;
       }
       // Use source `ary` if it's smaller.
-      if (srcBitmask & ARY_FLAG) {
+      if (srcBitmask & WRAP_ARY_FLAG) {
         data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
       }
       // Use source `arity` if one is not provided.
@@ -8781,7 +8817,7 @@
      * @memberOf _
      * @since 1.0.0
      * @category Seq
-     * @param {...(string|string[])} [paths] The property paths of elements to pick.
+     * @param {...(string|string[])} [paths] The property paths to pick.
      * @returns {Object} Returns the new `lodash` wrapper instance.
      * @example
      *
@@ -10000,7 +10036,7 @@
     function ary(func, n, guard) {
       n = guard ? undefined : n;
       n = (func && n == null) ? func.length : n;
-      return createWrap(func, ARY_FLAG, undefined, undefined, undefined, undefined, n);
+      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
     }
 
     /**
@@ -10073,10 +10109,10 @@
      * // => 'hi fred!'
      */
     var bind = baseRest(function(func, thisArg, partials) {
-      var bitmask = BIND_FLAG;
+      var bitmask = WRAP_BIND_FLAG;
       if (partials.length) {
         var holders = replaceHolders(partials, getHolder(bind));
-        bitmask |= PARTIAL_FLAG;
+        bitmask |= WRAP_PARTIAL_FLAG;
       }
       return createWrap(func, bitmask, thisArg, partials, holders);
     });
@@ -10127,10 +10163,10 @@
      * // => 'hiya fred!'
      */
     var bindKey = baseRest(function(object, key, partials) {
-      var bitmask = BIND_FLAG | BIND_KEY_FLAG;
+      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
       if (partials.length) {
         var holders = replaceHolders(partials, getHolder(bindKey));
-        bitmask |= PARTIAL_FLAG;
+        bitmask |= WRAP_PARTIAL_FLAG;
       }
       return createWrap(key, bitmask, object, partials, holders);
     });
@@ -10178,7 +10214,7 @@
      */
     function curry(func, arity, guard) {
       arity = guard ? undefined : arity;
-      var result = createWrap(func, CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
       result.placeholder = curry.placeholder;
       return result;
     }
@@ -10223,7 +10259,7 @@
      */
     function curryRight(func, arity, guard) {
       arity = guard ? undefined : arity;
-      var result = createWrap(func, CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
       result.placeholder = curryRight.placeholder;
       return result;
     }
@@ -10468,7 +10504,7 @@
      * // => ['d', 'c', 'b', 'a']
      */
     function flip(func) {
-      return createWrap(func, FLIP_FLAG);
+      return createWrap(func, WRAP_FLIP_FLAG);
     }
 
     /**
@@ -10679,7 +10715,7 @@
      */
     var partial = baseRest(function(func, partials) {
       var holders = replaceHolders(partials, getHolder(partial));
-      return createWrap(func, PARTIAL_FLAG, undefined, partials, holders);
+      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
     });
 
     /**
@@ -10716,7 +10752,7 @@
      */
     var partialRight = baseRest(function(func, partials) {
       var holders = replaceHolders(partials, getHolder(partialRight));
-      return createWrap(func, PARTIAL_RIGHT_FLAG, undefined, partials, holders);
+      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
     });
 
     /**
@@ -10742,7 +10778,7 @@
      * // => ['a', 'b', 'c']
      */
     var rearg = flatRest(function(func, indexes) {
-      return createWrap(func, REARG_FLAG, undefined, undefined, undefined, indexes);
+      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
     });
 
     /**
@@ -10819,11 +10855,15 @@
       start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
       return baseRest(function(args) {
         var array = args[start],
+            lastIndex = args.length - 1,
             otherArgs = castSlice(args, 0, start);
 
         if (array) {
           arrayPush(otherArgs, array);
         }
+        if (start != lastIndex) {
+          arrayPush(otherArgs, castSlice(args, start + 1));
+        }
         return apply(func, this, otherArgs);
       });
     }
@@ -11005,7 +11045,7 @@
      * // => true
      */
     function clone(value) {
-      return baseClone(value, false, true);
+      return baseClone(value, CLONE_SYMBOLS_FLAG);
     }
 
     /**
@@ -11041,7 +11081,7 @@
      */
     function cloneWith(value, customizer) {
       customizer = typeof customizer == 'function' ? customizer : undefined;
-      return baseClone(value, false, true, customizer);
+      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
     }
 
     /**
@@ -11063,7 +11103,7 @@
      * // => false
      */
     function cloneDeep(value) {
-      return baseClone(value, true, true);
+      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
     }
 
     /**
@@ -11096,7 +11136,7 @@
      */
     function cloneDeepWith(value, customizer) {
       customizer = typeof customizer == 'function' ? customizer : undefined;
-      return baseClone(value, true, true, customizer);
+      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
     }
 
     /**
@@ -11545,7 +11585,7 @@
     function isEqualWith(value, other, customizer) {
       customizer = typeof customizer == 'function' ? customizer : undefined;
       var result = customizer ? customizer(value, other) : undefined;
-      return result === undefined ? baseIsEqual(value, other, customizer) : !!result;
+      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
     }
 
     /**
@@ -12688,7 +12728,7 @@
      * @since 1.0.0
      * @category Object
      * @param {Object} object The object to iterate over.
-     * @param {...(string|string[])} [paths] The property paths of elements to pick.
+     * @param {...(string|string[])} [paths] The property paths to pick.
      * @returns {Array} Returns the picked values.
      * @example
      *
@@ -13415,15 +13455,16 @@
 
     /**
      * The opposite of `_.pick`; this method creates an object composed of the
-     * own and inherited enumerable string keyed properties of `object` that are
+     * own and inherited enumerable property paths of `object` that are not omitted.
-     * not omitted.
+     *
+     * **Note:** This method is considerably slower than `_.pick`.
      *
      * @static
      * @since 0.1.0
      * @memberOf _
      * @category Object
      * @param {Object} object The source object.
-     * @param {...(string|string[])} [props] The property identifiers to omit.
+     * @param {...(string|string[])} [paths] The property paths to omit.
      * @returns {Object} Returns the new object.
      * @example
      *
@@ -13432,12 +13473,19 @@
      * _.omit(object, ['a', 'c']);
      * // => { 'b': '2' }
      */
-    var omit = flatRest(function(object, props) {
+    var omit = flatRest(function(object, paths) {
+      var result = {};
       if (object == null) {
-        return {};
+        return result;
       }
-      props = arrayMap(props, toKey);
+      copyObject(object, getAllKeysIn(object), result);
-      return basePick(object, baseDifference(getAllKeysIn(object), props));
+      result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG);
+
+      var length = paths.length;
+      while (length--) {
+        baseUnset(result, paths[length]);
+      }
+      return result;
     });
 
     /**
@@ -13472,7 +13520,7 @@
      * @memberOf _
      * @category Object
      * @param {Object} object The source object.
-     * @param {...(string|string[])} [props] The property identifiers to pick.
+     * @param {...(string|string[])} [paths] The property paths to pick.
      * @returns {Object} Returns the new object.
      * @example
      *
@@ -13481,8 +13529,8 @@
      * _.pick(object, ['a', 'c']);
      * // => { 'a': 1, 'c': 3 }
      */
-    var pick = flatRest(function(object, props) {
+    var pick = flatRest(function(object, paths) {
-      return object == null ? {} : basePick(object, arrayMap(props, toKey));
+      return object == null ? {} : basePick(object, arrayMap(paths, toKey));
     });
 
     /**
@@ -15275,7 +15323,7 @@
      * // => [{ 'a': 1, 'b': 2 }]
      */
     function conforms(source) {
-      return baseConforms(baseClone(source, true));
+      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
     }
 
     /**
@@ -15437,7 +15485,7 @@
      * // => ['def']
      */
     function iteratee(func) {
-      return baseIteratee(typeof func == 'function' ? func : baseClone(func, true));
+      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
     }
 
     /**
@@ -15469,7 +15517,7 @@
      * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
      */
     function matches(source) {
-      return baseMatches(baseClone(source, true));
+      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
     }
 
     /**
@@ -15499,7 +15547,7 @@
      * // => { 'a': 4, 'b': 5, 'c': 6 }
      */
     function matchesProperty(path, srcValue) {
-      return baseMatchesProperty(path, baseClone(srcValue, true));
+      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
     }
 
     /**
@@ -16959,7 +17007,7 @@
       }
     });
 
-    realNames[createHybrid(undefined, BIND_KEY_FLAG).name] = [{
+    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
       'name': 'wrapper',
       'func': undefined
     }];

matches.js

@@ -1,5 +1,8 @@
 define(['./_baseClone', './_baseMatches'], function(baseClone, baseMatches) {
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1;
+
   /**
    * Creates a function that performs a partial deep comparison between a given
    * object and `source`, returning `true` if the given object has equivalent
@@ -29,7 +32,7 @@ define(['./_baseClone', './_baseMatches'], function(baseClone, baseMatches) {
    * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
    */
   function matches(source) {
-    return baseMatches(baseClone(source, true));
+    return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
   }
 
   return matches;

matchesProperty.js

@@ -1,5 +1,8 @@
 define(['./_baseClone', './_baseMatchesProperty'], function(baseClone, baseMatchesProperty) {
 
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1;
+
   /**
    * Creates a function that performs a partial deep comparison between the
    * value at `path` of a given object to `srcValue`, returning `true` if the
@@ -27,7 +30,7 @@ define(['./_baseClone', './_baseMatchesProperty'], function(baseClone, baseMatch
    * // => { 'a': 4, 'b': 5, 'c': 6 }
    */
   function matchesProperty(path, srcValue) {
-    return baseMatchesProperty(path, baseClone(srcValue, true));
+    return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
   }
 
   return matchesProperty;

omit.js

@@ -1,16 +1,22 @@
-define(['./_arrayMap', './_baseDifference', './_basePick', './_flatRest', './_getAllKeysIn', './_toKey'], function(arrayMap, baseDifference, basePick, flatRest, getAllKeysIn, toKey) {
+define(['./_baseClone', './_baseUnset', './_copyObject', './_flatRest', './_getAllKeysIn'], function(baseClone, baseUnset, copyObject, flatRest, getAllKeysIn) {
+
+  /** Used to compose bitmasks for cloning. */
+  var CLONE_DEEP_FLAG = 1,
+      CLONE_FLAT_FLAG = 2,
+      CLONE_SYMBOLS_FLAG = 4;
 
   /**
    * The opposite of `_.pick`; this method creates an object composed of the
-   * own and inherited enumerable string keyed properties of `object` that are
+   * own and inherited enumerable property paths of `object` that are not omitted.
-   * not omitted.
+   *
+   * **Note:** This method is considerably slower than `_.pick`.
    *
    * @static
    * @since 0.1.0
    * @memberOf _
    * @category Object
    * @param {Object} object The source object.
-   * @param {...(string|string[])} [props] The property identifiers to omit.
+   * @param {...(string|string[])} [paths] The property paths to omit.
    * @returns {Object} Returns the new object.
    * @example
    *
@@ -19,12 +25,19 @@ define(['./_arrayMap', './_baseDifference', './_basePick', './_flatRest', './_ge
    * _.omit(object, ['a', 'c']);
    * // => { 'b': '2' }
    */
-  var omit = flatRest(function(object, props) {
+  var omit = flatRest(function(object, paths) {
+    var result = {};
     if (object == null) {
-      return {};
+      return result;
     }
-    props = arrayMap(props, toKey);
+    copyObject(object, getAllKeysIn(object), result);
-    return basePick(object, baseDifference(getAllKeysIn(object), props));
+    result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG);
+
+    var length = paths.length;
+    while (length--) {
+      baseUnset(result, paths[length]);
+    }
+    return result;
   });
 
   return omit;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "lodash-amd",
-  "version": "4.16.5",
+  "version": "4.17.0",
   "description": "Lodash exported as AMD modules.",
   "keywords": "amd, modules, stdlib, util",
   "homepage": "https://lodash.com/custom-builds",

partial.js

@@ -4,7 +4,7 @@ define(['./_baseRest', './_createWrap', './_getHolder', './_replaceHolders'], fu
   var undefined;
 
   /** Used to compose bitmasks for function metadata. */
-  var PARTIAL_FLAG = 32;
+  var WRAP_PARTIAL_FLAG = 32;
 
   /**
    * Creates a function that invokes `func` with `partials` prepended to the
@@ -41,7 +41,7 @@ define(['./_baseRest', './_createWrap', './_getHolder', './_replaceHolders'], fu
    */
   var partial = baseRest(function(func, partials) {
     var holders = replaceHolders(partials, getHolder(partial));
-    return createWrap(func, PARTIAL_FLAG, undefined, partials, holders);
+    return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
   });
 
   // Assign default placeholders.

partialRight.js

@@ -4,7 +4,7 @@ define(['./_baseRest', './_createWrap', './_getHolder', './_replaceHolders'], fu
   var undefined;
 
   /** Used to compose bitmasks for function metadata. */
-  var PARTIAL_RIGHT_FLAG = 64;
+  var WRAP_PARTIAL_RIGHT_FLAG = 64;
 
   /**
    * This method is like `_.partial` except that partially applied arguments
@@ -40,7 +40,7 @@ define(['./_baseRest', './_createWrap', './_getHolder', './_replaceHolders'], fu
    */
   var partialRight = baseRest(function(func, partials) {
     var holders = replaceHolders(partials, getHolder(partialRight));
-    return createWrap(func, PARTIAL_RIGHT_FLAG, undefined, partials, holders);
+    return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
   });
 
   // Assign default placeholders.

pick.js

@@ -8,7 +8,7 @@ define(['./_arrayMap', './_basePick', './_flatRest', './_toKey'], function(array
    * @memberOf _
    * @category Object
    * @param {Object} object The source object.
-   * @param {...(string|string[])} [props] The property identifiers to pick.
+   * @param {...(string|string[])} [paths] The property paths to pick.
    * @returns {Object} Returns the new object.
    * @example
    *
@@ -17,8 +17,8 @@ define(['./_arrayMap', './_basePick', './_flatRest', './_toKey'], function(array
    * _.pick(object, ['a', 'c']);
    * // => { 'a': 1, 'c': 3 }
    */
-  var pick = flatRest(function(object, props) {
+  var pick = flatRest(function(object, paths) {
-    return object == null ? {} : basePick(object, arrayMap(props, toKey));
+    return object == null ? {} : basePick(object, arrayMap(paths, toKey));
   });
 
   return pick;

rearg.js

@@ -4,7 +4,7 @@ define(['./_createWrap', './_flatRest'], function(createWrap, flatRest) {
   var undefined;
 
   /** Used to compose bitmasks for function metadata. */
-  var REARG_FLAG = 256;
+  var WRAP_REARG_FLAG = 256;
 
   /**
    * Creates a function that invokes `func` with arguments arranged according
@@ -29,7 +29,7 @@ define(['./_createWrap', './_flatRest'], function(createWrap, flatRest) {
    * // => ['a', 'b', 'c']
    */
   var rearg = flatRest(function(func, indexes) {
-    return createWrap(func, REARG_FLAG, undefined, undefined, undefined, indexes);
+    return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
   });
 
   return rearg;

spread.js

@@ -50,11 +50,15 @@ define(['./_apply', './_arrayPush', './_baseRest', './_castSlice', './toInteger'
     start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
     return baseRest(function(args) {
       var array = args[start],
+          lastIndex = args.length - 1,
           otherArgs = castSlice(args, 0, start);
 
       if (array) {
         arrayPush(otherArgs, array);
       }
+      if (start != lastIndex) {
+        arrayPush(otherArgs, castSlice(args, start + 1));
+      }
       return apply(func, this, otherArgs);
     });
   }

wrapperAt.js

@@ -10,7 +10,7 @@ define(['./_LazyWrapper', './_LodashWrapper', './_baseAt', './_flatRest', './_is
    * @memberOf _
    * @since 1.0.0
    * @category Seq
-   * @param {...(string|string[])} [paths] The property paths of elements to pick.
+   * @param {...(string|string[])} [paths] The property paths to pick.
    * @returns {Object} Returns the new `lodash` wrapper instance.
    * @example
    *