Remove unary helpers.

_baseDifference.js

@@ -2,7 +2,6 @@ import SetCache from './_SetCache.js';
 import arrayIncludes from './_arrayIncludes.js';
 import arrayIncludesWith from './_arrayIncludesWith.js';
 import arrayMap from './_arrayMap.js';
-import baseUnary from './_baseUnary.js';
 import cacheHas from './_cacheHas.js';
 
 /** Used as the size to enable large array optimizations. */
@@ -31,7 +30,7 @@ function baseDifference(array, values, iteratee, comparator) {
     return result;
   }
   if (iteratee) {
-    values = arrayMap(values, baseUnary(iteratee));
+    values = arrayMap(values, value => iteratee(value));
   }
   if (comparator) {
     includes = arrayIncludesWith;

_baseIntersection.js

@@ -2,7 +2,6 @@ import SetCache from './_SetCache.js';
 import arrayIncludes from './_arrayIncludes.js';
 import arrayIncludesWith from './_arrayIncludesWith.js';
 import arrayMap from './_arrayMap.js';
-import baseUnary from './_baseUnary.js';
 import cacheHas from './_cacheHas.js';
 
 /* Built-in method references for those with the same name as other `lodash` methods. */
@@ -32,7 +31,7 @@ function baseIntersection(arrays, iteratee, comparator) {
   while (othIndex--) {
     array = arrays[othIndex];
     if (othIndex && iteratee) {
-      array = arrayMap(array, baseUnary(iteratee));
+      array = arrayMap(array, valye => iteratee(value));
     }
     maxLength = nativeMin(array.length, maxLength);
     caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))

_baseOrderBy.js

@@ -2,7 +2,6 @@ import arrayMap from './_arrayMap.js';
 import baseIteratee from './_baseIteratee.js';
 import baseMap from './_baseMap.js';
 import baseSortBy from './_baseSortBy.js';
-import baseUnary from './_baseUnary.js';
 import compareMultiple from './_compareMultiple.js';
 import identity from './identity.js';
 
@@ -17,7 +16,7 @@ import identity from './identity.js';
  */
 function baseOrderBy(collection, iteratees, orders) {
   let index = -1;
-  iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(baseIteratee));
+  iteratees = arrayMap(iteratees.length ? iteratees : [identity], value => baseIteratee(value));
 
   const result = baseMap(collection, (value, key, collection) => {
     const criteria = arrayMap(iteratees, iteratee => iteratee(value));

_basePullAll.js

@@ -1,7 +1,6 @@
 import arrayMap from './_arrayMap.js';
 import baseIndexOf from './_baseIndexOf.js';
 import baseIndexOfWith from './_baseIndexOfWith.js';
-import baseUnary from './_baseUnary.js';
 import copyArray from './_copyArray.js';
 
 /** Used for built-in method references. */
@@ -32,7 +31,7 @@ function basePullAll(array, values, iteratee, comparator) {
     values = copyArray(values);
   }
   if (iteratee) {
-    seen = arrayMap(array, baseUnary(iteratee));
+    seen = arrayMap(array, value => iteratee(value));
   }
   while (++index < length) {
     let fromIndex = 0;

_baseUnary.js

@@ -1,12 +0,0 @@
-/**
- * The base implementation of `_.unary` without support for storing metadata.
- *
- * @private
- * @param {Function} func The function to cap arguments for.
- * @returns {Function} Returns the new capped function.
- */
-function baseUnary(func) {
-  return value => func(value);
-}
-
-export default baseUnary;

_createOver.js

@@ -1,7 +1,6 @@
 import apply from './_apply.js';
 import arrayMap from './_arrayMap.js';
 import baseIteratee from './_baseIteratee.js';
-import baseUnary from './_baseUnary.js';
 
 /**
  * Creates a function like `_.over`.
@@ -12,7 +11,7 @@ import baseUnary from './_baseUnary.js';
  */
 function createOver(arrayFunc) {
   return (...iteratees) => {
-    iteratees = arrayMap(iteratees, baseUnary(baseIteratee));
+    iteratees = arrayMap(iteratees, iteratee => baseIteratee(iteratee));
     return (...args) => {
       const thisArg = this;
       return arrayFunc(iteratees, iteratee => apply(iteratee, thisArg, args));

isArrayBuffer.js

@@ -1,5 +1,4 @@
 import baseIsArrayBuffer from './_baseIsArrayBuffer.js';
-import baseUnary from './_baseUnary.js';
 import nodeUtil from './_nodeUtil.js';
 
 /* Node.js helper references. */
@@ -22,6 +21,8 @@ const nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer;
  * _.isArrayBuffer(new Array(2));
  * // => false
  */
-const isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;
+const isArrayBuffer = nodeIsArrayBuffer
+  ? value => nodeIsArrayBuffer(value)
+  : baseIsArrayBuffer;
 
 export default isArrayBuffer;

isDate.js

@@ -1,5 +1,4 @@
 import baseIsDate from './_baseIsDate.js';
-import baseUnary from './_baseUnary.js';
 import nodeUtil from './_nodeUtil.js';
 
 /* Node.js helper references. */
@@ -22,6 +21,8 @@ const nodeIsDate = nodeUtil && nodeUtil.isDate;
  * _.isDate('Mon April 23 2012');
  * // => false
  */
-const isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;
+const isDate = nodeIsDate
+  ? value => nodeIsDate(value)
+  : baseIsDate;
 
 export default isDate;

isMap.js

@@ -1,5 +1,4 @@
 import baseIsMap from './_baseIsMap.js';
-import baseUnary from './_baseUnary.js';
 import nodeUtil from './_nodeUtil.js';
 
 /* Node.js helper references. */
@@ -22,6 +21,8 @@ const nodeIsMap = nodeUtil && nodeUtil.isMap;
  * _.isMap(new WeakMap);
  * // => false
  */
-const isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
+const isMap = nodeIsMap
+  ? value => nodeIsMap(value)
+  : baseIsMap;
 
 export default isMap;

isRegExp.js

@@ -1,5 +1,4 @@
 import baseIsRegExp from './_baseIsRegExp.js';
-import baseUnary from './_baseUnary.js';
 import nodeUtil from './_nodeUtil.js';
 
 /* Node.js helper references. */
@@ -22,6 +21,8 @@ const nodeIsRegExp = nodeUtil && nodeUtil.isRegExp;
  * _.isRegExp('/abc/');
  * // => false
  */
-const isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
+const isRegExp = nodeIsRegExp
+  ? value => nodeIsRegExp(value)
+  : baseIsRegExp;
 
 export default isRegExp;

isSet.js

@@ -1,5 +1,4 @@
 import baseIsSet from './_baseIsSet.js';
-import baseUnary from './_baseUnary.js';
 import nodeUtil from './_nodeUtil.js';
 
 /* Node.js helper references. */
@@ -22,6 +21,8 @@ const nodeIsSet = nodeUtil && nodeUtil.isSet;
  * _.isSet(new WeakSet);
  * // => false
  */
-const isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;
+const isSet = nodeIsSet
+  ? value => nodeIsSet(value)
+  : baseIsSet;
 
 export default isSet;

isTypedArray.js

@@ -1,5 +1,4 @@
 import baseIsTypedArray from './_baseIsTypedArray.js';
-import baseUnary from './_baseUnary.js';
 import nodeUtil from './_nodeUtil.js';
 
 /* Node.js helper references. */
@@ -22,6 +21,8 @@ const nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
  * _.isTypedArray([]);
  * // => false
  */
-const isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+const isTypedArray = nodeIsTypedArray
+  ? value => nodeIsTypedArray(value)
+  : baseIsTypedArray;
 
 export default isTypedArray;

overArgs.js

@@ -2,8 +2,6 @@ import apply from './_apply.js';
 import arrayMap from './_arrayMap.js';
 import baseFlatten from './_baseFlatten.js';
 import baseIteratee from './_baseIteratee.js';
-import baseUnary from './_baseUnary.js';
-import isArray from './isArray.js';
 
 /* Built-in method references for those with the same name as other `lodash` methods. */
 const nativeMin = Math.min;
@@ -40,10 +38,7 @@ const nativeMin = Math.min;
  * // => [100, 10]
  */
 function overArgs(func, ...transforms) {
-  transforms = (transforms.length == 1 && isArray(transforms[0]))
+  transforms = arrayMap(transforms, transform => baseIteratee(transform));
-    ? arrayMap(transforms[0], baseUnary(baseIteratee))
-    : arrayMap(baseFlatten(transforms, 1), baseUnary(baseIteratee));
-
   const funcsLength = transforms.length;
   return function(...args) {
     let index = -1;

unary.js

@@ -1,22 +0,0 @@
-import ary from './ary.js';
-
-/**
- * Creates a function that accepts up to one argument, ignoring any
- * additional arguments.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Function
- * @param {Function} func The function to cap arguments for.
- * @returns {Function} Returns the new capped function.
- * @example
- *
- * _.map(['6', '8', '10'], _.unary(parseInt));
- * // => [6, 8, 10]
- */
-function unary(func) {
-  return ary(func, 1);
-}
-
-export default unary;

without.js

@@ -21,7 +21,8 @@ import isArrayLikeObject from './isArrayLikeObject.js';
  * _.without([2, 1, 2, 3], 1, 2);
  * // => [3]
  */
-const without = (array, ...values) =>
+function without(array, ...values) {
-  isArrayLikeObject(array) ? baseDifference(array, values) : [];
+  return isArrayLikeObject(array) ? baseDifference(array, values) : [];
+}
 
 export default without;