From a90453461e20a0a75d4252d405793a529a78750b Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Thu, 13 Mar 2014 09:28:38 -0700
Subject: [PATCH] Adjust `fromIndex` and `length` coercions.

---
 dist/lodash.compat.js         | 44 +++++++++----------
 dist/lodash.compat.min.js     | 34 +++++++--------
 dist/lodash.js                | 80 +++++++++++++++++------------------
 dist/lodash.min.js            | 54 +++++++++++------------
 dist/lodash.underscore.js     | 68 ++++++++++++++---------------
 dist/lodash.underscore.min.js | 44 +++++++++----------
 lodash.js                     | 44 +++++++++----------
 7 files changed, 184 insertions(+), 184 deletions(-)

diff --git a/dist/lodash.compat.js b/dist/lodash.compat.js
index 222581c7d..72ab52354 100644
--- a/dist/lodash.compat.js
+++ b/dist/lodash.compat.js
@@ -274,7 +274,7 @@
    * @returns {number} Returns the index of the matched value, else `-1`.
    */
   function baseIndexOf(array, value, fromIndex) {
-    var index = (fromIndex | 0) - 1,
+    var index = (+fromIndex || 0) - 1,
         length = array ? array.length : 0;
 
     while (++index < length) {
@@ -1397,7 +1397,7 @@
      * @returns {Array} Returns the new flattened array.
      */
     function baseFlatten(array, isShallow, isStrict, fromIndex) {
-      var index = (fromIndex | 0) - 1,
+      var index = (+fromIndex || 0) - 1,
           length = array ? array.length : 0,
           result = [];
 
@@ -2610,7 +2610,7 @@
     function indexOf(array, value, fromIndex) {
       var length = array ? array.length : 0;
       if (typeof fromIndex == 'number') {
-        fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex) | 0;
+        fromIndex = fromIndex < 0 ? nativeMax(0, length + fromIndex) : (fromIndex || 0);
       } else if (fromIndex) {
         var index = sortedIndex(array, value);
         return (length && array[index] === value) ? index : -1;
@@ -2913,13 +2913,13 @@
       var index = -1,
           length = array ? array.length : 0;
 
-      start |= 0;
+      start = +start || 0;
       if (start < 0) {
         start = nativeMax(length + start, 0);
       } else if (start > length) {
         start = length;
       }
-      end = typeof end == 'undefined' ? length : (end | 0);
+      end = typeof end == 'undefined' ? length : (+end || 0);
       if (end < 0) {
         end = nativeMax(length + end, 0);
       } else if (end > length) {
@@ -3539,10 +3539,10 @@
      * // => true
      */
     function contains(collection, target, fromIndex) {
-      var length = collection ? collection.length : 0;
-      fromIndex = (typeof fromIndex == 'number' && fromIndex) | 0;
+      var length = (length = collection && collection.length, length > -1 && length >>> 0);
+      fromIndex = (typeof fromIndex == 'number' && +fromIndex) || 0;
 
-      if (typeof length == 'number' && length > -1) {
+      if (length) {
         if (typeof collection == 'string' || !isArray(collection) && isString(collection)) {
           if (fromIndex >= length) {
             return false;
@@ -3552,7 +3552,7 @@
             : collection.indexOf(target, fromIndex) > -1;
         }
         var indexOf = getIndexOf();
-        fromIndex = fromIndex < 0 ? nativeMax(0, (length | 0) + fromIndex) : fromIndex;
+        fromIndex = fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex;
         return indexOf(collection, target, fromIndex) > -1;
       }
       var index = -1,
@@ -3997,8 +3997,8 @@
       var args = slice(arguments, 2),
           index = -1,
           isFunc = typeof methodName == 'function',
-          length = (collection && collection.length) | 0,
-          result = Array(length < 0 ? 0 : length);
+          length = collection && collection.length,
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       baseEach(collection, function(value) {
         result[++index] = (isFunc ? methodName : value[methodName]).apply(value, args);
@@ -4047,8 +4047,8 @@
      */
     function map(collection, callback, thisArg) {
       var index = -1,
-          length = (collection && collection.length) | 0,
-          result = Array(length < 0 ? 0 : length);
+          length = collection && collection.length,
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       callback = lodash.createCallback(callback, thisArg, 3);
       if (isArray(collection)) {
@@ -4436,7 +4436,7 @@
         collection = collection.split('');
       }
       if (n == null || guard) {
-        var length = (collection && collection.length) | 0;
+        var length = (length = collection && collection.length, length > -1 && length >>> 0);
         return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
       }
       var result = shuffle(collection);
@@ -4461,8 +4461,8 @@
      */
     function shuffle(collection) {
       var index = -1,
-          length = (collection && collection.length) | 0,
-          result = Array(length < 0 ? 0 : length);
+          length = collection && collection.length,
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       baseEach(collection, function(value) {
         var rand = baseRandom(0, ++index);
@@ -4612,9 +4612,9 @@
      */
     function sortBy(collection, callback, thisArg) {
       var index = -1,
-          length = (collection && collection.length) | 0,
+          length = collection && collection.length,
           multi = callback && isArray(callback),
-          result = Array(length < 0 ? 0 : length);
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       if (!multi) {
         callback = lodash.createCallback(callback, thisArg, 3);
@@ -6930,7 +6930,7 @@
       target = String(target);
 
       var length = string.length;
-      position = (typeof position == 'number' ? nativeMin(nativeMax(position | 0, 0), length) : length) - target.length;
+      position = (typeof position == 'number' ? nativeMin(nativeMax(+position || 0, 0), length) : length) - target.length;
       return position >= 0 && string.indexOf(target, position) == position;
     }
 
@@ -7183,7 +7183,7 @@
      */
     function startsWith(string, target, position) {
       string = string == null ? '' : String(string);
-      position = typeof position == 'number' ? nativeMin(nativeMax(position | 0, 0), string.length) : 0;
+      position = typeof position == 'number' ? nativeMin(nativeMax(+position || 0, 0), string.length) : 0;
       return string.lastIndexOf(target, position) == position;
     }
 
@@ -7489,11 +7489,11 @@
 
       if (options && isObject(options)) {
         var separator = 'separator' in options ? options.separator : separator;
-        length = 'length' in options ? options.length | 0 : length;
+        length = 'length' in options ? +options.length || 0 : length;
         omission = 'omission' in options ? String(options.omission) : omission;
       }
       else if (options != null) {
-        length = options | 0;
+        length = +options || 0;
       }
       string = string == null ? '' : String(string);
       if (length >= string.length) {
diff --git a/dist/lodash.compat.min.js b/dist/lodash.compat.min.js
index 9c5085cb4..73263be41 100644
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -3,7 +3,7 @@
  * Lo-Dash 2.4.1 (Custom Build) lodash.com/license | Underscore.js 1.6.0 underscorejs.org/LICENSE
  * Build: `lodash -o ./dist/lodash.compat.js`
  */
-;(function(){function n(n,t){return typeof n=="undefined"?t:n}function t(n,t){if(n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return 0}function r(n,t,r){r=(0|r)-1;for(var e=n?n.length:0;++r<e;)if(n[r]===t)return r;return-1}function e(n,t){return n.has(t)?0:-1}function u(n){return n.charCodeAt(0)}function o(n,t){for(var r=-1,e=n.length;++r<e&&0<=t.indexOf(n.charAt(r)););return r}function a(n,t){for(var r=n.length;r--&&0<=t.indexOf(n.charAt(r)););return r}function i(n,r){return t(n.a,r.a)||n.b-r.b
+;(function(){function n(n,t){return typeof n=="undefined"?t:n}function t(n,t){if(n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return 0}function r(n,t,r){r=(+r||0)-1;for(var e=n?n.length:0;++r<e;)if(n[r]===t)return r;return-1}function e(n,t){return n.has(t)?0:-1}function u(n){return n.charCodeAt(0)}function o(n,t){for(var r=-1,e=n.length;++r<e&&0<=t.indexOf(n.charAt(r)););return r}function a(n,t){for(var r=n.length;r--&&0<=t.indexOf(n.charAt(r)););return r}function i(n,r){return t(n.a,r.a)||n.b-r.b
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 }return t}function b(n){return pt[n]}function _(t){function o(n){return n&&typeof n=="object"&&!Ne(n)&&ne.call(n,"__wrapped__")?n:new a(n)}function a(n,t){this.__chain__=!!t,this.__wrapped__=n}function c(n){function t(){if(u){for(var n=-1,a=arguments.length,i=Ir(a);++n<a;)i[n]=arguments[n];i=kt(u,o,i)}return this instanceof t?(n=d(r.prototype),i=r.apply(n,i||arguments),vr(i)?i:n):r.apply(e,i||arguments)}var r=n[0],e=n[3],u=n[4],o=n[6];return Oe(t,n),t}function m(n,t,r,e,u){if(r){var o=r(n);if(typeof o!="undefined")return o
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diff --git a/dist/lodash.js b/dist/lodash.js
index 675e5bcde..5f4ee1332 100644
--- a/dist/lodash.js
+++ b/dist/lodash.js
@@ -267,7 +267,7 @@
    * @returns {number} Returns the index of the matched value, else `-1`.
    */
   function baseIndexOf(array, value, fromIndex) {
-    var index = (fromIndex | 0) - 1,
+    var index = (+fromIndex || 0) - 1,
         length = array ? array.length : 0;
 
     while (++index < length) {
@@ -1234,7 +1234,7 @@
      * @returns {Array} Returns the new flattened array.
      */
     function baseFlatten(array, isShallow, isStrict, fromIndex) {
-      var index = (fromIndex | 0) - 1,
+      var index = (+fromIndex || 0) - 1,
           length = array ? array.length : 0,
           result = [];
 
@@ -1757,9 +1757,9 @@
         callback = lodash.createCallback(callback, thisArg, 3);
 
         var index = -1,
-            length = (collection && collection.length) | 0;
+            length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-        if (length > 0) {
+        if (length) {
           while (++index < length) {
             var value = collection[index];
             setter(result, value, callback(value, index, collection), collection);
@@ -2435,7 +2435,7 @@
     function indexOf(array, value, fromIndex) {
       var length = array ? array.length : 0;
       if (typeof fromIndex == 'number') {
-        fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex) | 0;
+        fromIndex = fromIndex < 0 ? nativeMax(0, length + fromIndex) : (fromIndex || 0);
       } else if (fromIndex) {
         var index = sortedIndex(array, value);
         return (length && array[index] === value) ? index : -1;
@@ -2738,13 +2738,13 @@
       var index = -1,
           length = array ? array.length : 0;
 
-      start |= 0;
+      start = +start || 0;
       if (start < 0) {
         start = nativeMax(length + start, 0);
       } else if (start > length) {
         start = length;
       }
-      end = typeof end == 'undefined' ? length : (end | 0);
+      end = typeof end == 'undefined' ? length : (+end || 0);
       if (end < 0) {
         end = nativeMax(length + end, 0);
       } else if (end > length) {
@@ -3361,10 +3361,10 @@
      * // => true
      */
     function contains(collection, target, fromIndex) {
-      var length = collection ? collection.length : 0;
-      fromIndex = (typeof fromIndex == 'number' && fromIndex) | 0;
+      var length = (length = collection && collection.length, length > -1 && length >>> 0);
+      fromIndex = (typeof fromIndex == 'number' && +fromIndex) || 0;
 
-      if (typeof length == 'number' && length > -1) {
+      if (length) {
         if (typeof collection == 'string' || !isArray(collection) && isString(collection)) {
           if (fromIndex >= length) {
             return false;
@@ -3374,7 +3374,7 @@
             : collection.indexOf(target, fromIndex) > -1;
         }
         var indexOf = getIndexOf();
-        fromIndex = fromIndex < 0 ? nativeMax(0, (length | 0) + fromIndex) : fromIndex;
+        fromIndex = fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex;
         return indexOf(collection, target, fromIndex) > -1;
       }
       var index = -1,
@@ -3473,9 +3473,9 @@
 
       predicate = lodash.createCallback(predicate, thisArg, 3);
       var index = -1,
-          length = (collection && collection.length) | 0;
+          length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-      if (length > 0) {
+      if (length) {
         while (++index < length) {
           if (!predicate(collection[index], index, collection)) {
             return false;
@@ -3534,9 +3534,9 @@
 
       predicate = lodash.createCallback(predicate, thisArg, 3);
       var index = -1,
-          length = (collection && collection.length) | 0;
+          length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-      if (length > 0) {
+      if (length) {
         while (++index < length) {
           var value = collection[index];
           if (predicate(value, index, collection)) {
@@ -3597,8 +3597,8 @@
      * // => { 'name': 'fred', 'age': 40, 'blocked': true }
      */
     function find(collection, predicate, thisArg) {
-      var length = (collection && collection.length) | 0;
-      if (length > 0) {
+      var length = (length = collection && collection.length, length > -1 && length >>> 0);
+      if (length) {
         var index = findIndex(collection, predicate, thisArg);
         return index > -1 ? collection[index] : undefined;
       }
@@ -3627,8 +3627,8 @@
      * // => 3
      */
     function findLast(collection, predicate, thisArg) {
-      var length = (collection && collection.length) | 0;
-      if (length > 0) {
+      var length = (length = collection && collection.length, length > -1 && length >>> 0);
+      if (length) {
         var index = findLastIndex(collection, predicate, thisArg);
         return index > -1 ? collection[index] : undefined;
       }
@@ -3664,10 +3664,10 @@
      */
     function forEach(collection, callback, thisArg) {
       var index = -1,
-          length = (collection && collection.length) | 0;
+          length = (length = collection && collection.length, length > -1 && length >>> 0);
 
       callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3);
-      if (length > 0) {
+      if (length) {
         while (++index < length) {
           if (callback(collection[index], index, collection) === false) {
             break;
@@ -3697,10 +3697,10 @@
      * // => logs each number from right to left and returns '3,2,1'
      */
     function forEachRight(collection, callback, thisArg) {
-      var length = (collection && collection.length) | 0;
+      var length = (length = collection && collection.length, length > -1 && length >>> 0);
 
       callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3);
-      if (length > 0) {
+      if (length) {
         while (length--) {
           if (callback(collection[length], length, collection) === false) {
             break;
@@ -3824,8 +3824,8 @@
       var args = slice(arguments, 2),
           index = -1,
           isFunc = typeof methodName == 'function',
-          length = (collection && collection.length) | 0,
-          result = Array(length < 0 ? 0 : length);
+          length = collection && collection.length,
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       baseEach(collection, function(value) {
         result[++index] = (isFunc ? methodName : value[methodName]).apply(value, args);
@@ -3874,10 +3874,10 @@
      */
     function map(collection, callback, thisArg) {
       var index = -1,
-          length = (collection && collection.length) | 0;
+          length = (length = collection && collection.length, length > -1 && length >>> 0);
 
       callback = lodash.createCallback(callback, thisArg, 3);
-      if (length > 0) {
+      if (length) {
         var result = Array(length);
         while (++index < length) {
           result[index] = callback(collection[index], index, collection);
@@ -4146,9 +4146,9 @@
       callback = lodash.createCallback(callback, thisArg, 4);
 
       var index = -1,
-          length = (collection && collection.length) | 0;
+          length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-      if (length > 0) {
+      if (length) {
         if (noaccum && length) {
           accumulator = collection[++index];
         }
@@ -4262,7 +4262,7 @@
         collection = values(collection);
       }
       if (n == null || guard) {
-        var length = (collection && collection.length) | 0;
+        var length = (length = collection && collection.length, length > -1 && length >>> 0);
         return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
       }
       var result = shuffle(collection);
@@ -4287,8 +4287,8 @@
      */
     function shuffle(collection) {
       var index = -1,
-          length = (collection && collection.length) | 0,
-          result = Array(length < 0 ? 0 : length);
+          length = collection && collection.length,
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       baseEach(collection, function(value) {
         var rand = baseRandom(0, ++index);
@@ -4371,9 +4371,9 @@
 
       predicate = lodash.createCallback(predicate, thisArg, 3);
       var index = -1,
-          length = (collection && collection.length) | 0;
+          length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-      if (length > 0) {
+      if (length) {
         while (++index < length) {
           if (predicate(collection[index], index, collection)) {
             return true;
@@ -4438,9 +4438,9 @@
      */
     function sortBy(collection, callback, thisArg) {
       var index = -1,
-          length = (collection && collection.length) | 0,
+          length = collection && collection.length,
           multi = callback && isArray(callback),
-          result = Array(length < 0 ? 0 : length);
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       if (!multi) {
         callback = lodash.createCallback(callback, thisArg, 3);
@@ -6705,7 +6705,7 @@
       target = String(target);
 
       var length = string.length;
-      position = (typeof position == 'number' ? nativeMin(nativeMax(position | 0, 0), length) : length) - target.length;
+      position = (typeof position == 'number' ? nativeMin(nativeMax(+position || 0, 0), length) : length) - target.length;
       return position >= 0 && string.indexOf(target, position) == position;
     }
 
@@ -6958,7 +6958,7 @@
      */
     function startsWith(string, target, position) {
       string = string == null ? '' : String(string);
-      position = typeof position == 'number' ? nativeMin(nativeMax(position | 0, 0), string.length) : 0;
+      position = typeof position == 'number' ? nativeMin(nativeMax(+position || 0, 0), string.length) : 0;
       return string.lastIndexOf(target, position) == position;
     }
 
@@ -7264,11 +7264,11 @@
 
       if (options && isObject(options)) {
         var separator = 'separator' in options ? options.separator : separator;
-        length = 'length' in options ? options.length | 0 : length;
+        length = 'length' in options ? +options.length || 0 : length;
         omission = 'omission' in options ? String(options.omission) : omission;
       }
       else if (options != null) {
-        length = options | 0;
+        length = +options || 0;
       }
       string = string == null ? '' : String(string);
       if (length >= string.length) {
diff --git a/dist/lodash.min.js b/dist/lodash.min.js
index eb5128a93..390fe4b49 100644
--- a/dist/lodash.min.js
+++ b/dist/lodash.min.js
@@ -3,7 +3,7 @@
  * Lo-Dash 2.4.1 (Custom Build) lodash.com/license | Underscore.js 1.6.0 underscorejs.org/LICENSE
  * Build: `lodash modern -o ./dist/lodash.js`
  */
-;(function(){function n(n,t){return typeof n=="undefined"?t:n}function t(n,t){if(n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return 0}function r(n,t,r){r=(0|r)-1;for(var e=n?n.length:0;++r<e;)if(n[r]===t)return r;return-1}function e(n,t){return n.has(t)?0:-1}function u(n){return n.charCodeAt(0)}function o(n,t){for(var r=-1,e=n.length;++r<e&&0<=t.indexOf(n.charAt(r)););return r}function i(n,t){for(var r=n.length;r--&&0<=t.indexOf(n.charAt(r)););return r}function a(n,r){return t(n.a,r.a)||n.b-r.b
+;(function(){function n(n,t){return typeof n=="undefined"?t:n}function t(n,t){if(n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return 0}function r(n,t,r){r=(+r||0)-1;for(var e=n?n.length:0;++r<e;)if(n[r]===t)return r;return-1}function e(n,t){return n.has(t)?0:-1}function u(n){return n.charCodeAt(0)}function o(n,t){for(var r=-1,e=n.length;++r<e&&0<=t.indexOf(n.charAt(r)););return r}function i(n,t){for(var r=n.length;r--&&0<=t.indexOf(n.charAt(r)););return r}function a(n,r){return t(n.a,r.a)||n.b-r.b
 }function l(n,r){for(var e=n.a,u=r.a,o=-1,i=e.length;++o<i;){var a=t(e[o],u[o]);if(a)return a}return n.b-r.b}function f(n){return function(t){for(var r=-1,e=(t=null!=t&&(t+"").replace(U,c).match(Z))?t.length:0,u="";++r<e;)u=n(u,t[r],r,t);return u}}function c(n){return ct[n]}function p(n){return lt[n]}function s(n){return"\\"+st[n]}function h(n,t){return(n=null==n?"":n+"")?null==t?n.slice(y(n),m(n)+1):(t+="",n.slice(o(n,t),i(n,t)+1)):n}function g(n,t){return(n=null==n?"":n+"")?null==t?n.slice(y(n)):(t+="",n.slice(o(n,t))):n
 }function v(n,t){return(n=null==n?"":n+"")?null==t?n.slice(0,m(n)+1):(t+="",n.slice(0,i(n,t)+1)):n}function y(n){for(var t=-1,r=n.length;++t<r;){var e=n.charCodeAt(t);if((160<e||9>e||13<e)&&32!=e&&160!=e&&5760!=e&&6158!=e&&(8192>e||8202<e&&8232!=e&&8233!=e&&8239!=e&&8287!=e&&12288!=e&&65279!=e))break}return t}function m(n){for(var t=n.length;t--;){var r=n.charCodeAt(t);if((160<r||9>r||13<r)&&32!=r&&160!=r&&5760!=r&&6158!=r&&(8192>r||8202<r&&8232!=r&&8233!=r&&8239!=r&&8287!=r&&12288!=r&&65279!=r))break
 }return t}function d(n){return ft[n]}function b(t){function o(n){return n&&typeof n=="object"&&!Oe(n)&&Yr.call(n,"__wrapped__")?n:new i(n)}function i(n,t){this.__chain__=!!t,this.__wrapped__=n}function c(n){function t(){if(u){for(var n=-1,i=arguments.length,a=Ar(i);++n<i;)a[n]=arguments[n];a=xt(u,o,a)}return this instanceof t?(n=m(r.prototype),a=r.apply(n,a||arguments),sr(a)?a:n):r.apply(e,a||arguments)}var r=n[0],e=n[3],u=n[4],o=n[6];return _e(t,n),t}function y(n,t,r,e,u){if(r){var o=r(n);if(typeof o!="undefined")return o
@@ -11,29 +11,29 @@
 }function U(n,t,r){if(typeof n!="function")return xr;if(typeof t=="undefined"||!("prototype"in n))return n;var e=n[I];if(typeof e=="undefined"&&(me.funcNames&&(e=!n.name),e=e||!me.funcDecomp,!e)){var u=Zr.call(n);me.funcNames||(e=!B.test(u)),e||(e=M.test(u),_e(n,e))}if(false===e||true!==e&&e[1]&w)return n;switch(r){case 1:return function(r){return n.call(t,r)};case 2:return function(r,e){return n.call(t,r,e)};case 3:return function(r,e,u){return n.call(t,r,e,u)};case 4:return function(r,e,u,o){return n.call(t,r,e,u,o)
 }}return tr(n,t)}function Z(n){function t(){for(var n=-1,v=arguments.length,y=Ar(v);++n<v;)y[n]=arguments[n];if(i&&(y=xt(i,l,y)),a){for(var n=a,d=f,b=-1,_=d.length,j=-1,k=le(y.length-_,0),A=-1,I=n.length,E=Ar(k+I);++j<k;)E[j]=y[j];for(k=j;++A<I;)E[k+A]=n[A];for(;++b<_;)E[k+d[b]]=y[j++];y=E}return s&&v<u?(e|=C,e&=~O,h||(e&=~(w|x)),v=le(0,u-v),Z([r,e,v,o,y,null,[]])):(v=c?o:this,p&&(r=v[g]),this instanceof t?(v=m(r.prototype),n=r.apply(v,y),sr(n)?n:v):r.apply(v,y))}var r=n[0],e=n[1],u=n[2],o=n[3],i=n[4],a=n[5],l=n[6],f=n[7],c=e&w,p=e&x,s=e&j,h=e&k,g=r;
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+return n}function pt(n,t,r,e){e=(+e||0)-1;for(var u=n?n.length:0,o=[];++e<u;){var i=n[e];if(i&&typeof i=="object"&&typeof i.length=="number"&&(Oe(i)||fr(i))){t||(i=pt(i,t,r));var a=-1,l=i.length,f=o.length;for(o.length+=l;++a<l;)o[f++]=i[a]}else r||o.push(i)}return o}function st(n,t,r){var e=-1;r=r(n);for(var u=r.length;++e<u;){var o=r[e];if(false===t(n[o],o,n))break}return n}function gt(n,t,r){r=r(n);for(var e=r.length;e--;){var u=r[e];if(false===t(n[u],u,n))break}return n}function vt(n,t){return st(n,t,Ie)
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\ No newline at end of file
diff --git a/dist/lodash.underscore.js b/dist/lodash.underscore.js
index 0781599a8..19353c572 100644
--- a/dist/lodash.underscore.js
+++ b/dist/lodash.underscore.js
@@ -159,7 +159,7 @@
    * @returns {number} Returns the index of the matched value, else `-1`.
    */
   function baseIndexOf(array, value, fromIndex) {
-    var index = (fromIndex | 0) - 1,
+    var index = (+fromIndex || 0) - 1,
         length = array ? array.length : 0;
 
     while (++index < length) {
@@ -617,7 +617,7 @@
    * @returns {Array} Returns the new flattened array.
    */
   function baseFlatten(array, isShallow, isStrict, fromIndex) {
-    var index = (fromIndex | 0) - 1,
+    var index = (+fromIndex || 0) - 1,
         length = array ? array.length : 0,
         result = [];
 
@@ -978,9 +978,9 @@
       callback = createCallback(callback, thisArg, 3);
 
       var index = -1,
-          length = (collection && collection.length) | 0;
+          length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-      if (length > 0) {
+      if (length) {
         while (++index < length) {
           var value = collection[index];
           setter(result, value, callback(value, index, collection), collection);
@@ -1346,7 +1346,7 @@
   function indexOf(array, value, fromIndex) {
     var length = array ? array.length : 0;
     if (typeof fromIndex == 'number') {
-      fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex) | 0;
+      fromIndex = fromIndex < 0 ? nativeMax(0, length + fromIndex) : (fromIndex || 0);
     } else if (fromIndex) {
       var index = sortedIndex(array, value);
       return (length && array[index] === value) ? index : -1;
@@ -1519,13 +1519,13 @@
     var index = -1,
         length = array ? array.length : 0;
 
-    start |= 0;
+    start = +start || 0;
     if (start < 0) {
       start = nativeMax(length + start, 0);
     } else if (start > length) {
       start = length;
     }
-    end = typeof end == 'undefined' ? length : (end | 0);
+    end = typeof end == 'undefined' ? length : (+end || 0);
     if (end < 0) {
       end = nativeMax(length + end, 0);
     } else if (end > length) {
@@ -1943,10 +1943,10 @@
    */
   function contains(collection, target) {
     var indexOf = getIndexOf(),
-        length = (collection && collection.length) | 0,
+        length = (length = collection && collection.length, length > -1 && length >>> 0),
         result = false;
 
-    if (length > 0) {
+    if (length) {
       return indexOf(collection, target) > -1;
     }
     baseEach(collection, function(value) {
@@ -2039,9 +2039,9 @@
 
     predicate = createCallback(predicate, thisArg, 3);
     var index = -1,
-        length = (collection && collection.length) | 0;
+        length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-    if (length > 0) {
+    if (length) {
       while (++index < length) {
         if (!predicate(collection[index], index, collection)) {
           return false;
@@ -2100,9 +2100,9 @@
 
     predicate = createCallback(predicate, thisArg, 3);
     var index = -1,
-        length = (collection && collection.length) | 0;
+        length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-    if (length > 0) {
+    if (length) {
       while (++index < length) {
         var value = collection[index];
         if (predicate(value, index, collection)) {
@@ -2163,8 +2163,8 @@
    * // => { 'name': 'fred', 'age': 40, 'blocked': true }
    */
   function find(collection, predicate, thisArg) {
-    var length = (collection && collection.length) | 0;
-    if (length > 0) {
+    var length = (length = collection && collection.length, length > -1 && length >>> 0);
+    if (length) {
       var index = findIndex(collection, predicate, thisArg);
       return index > -1 ? collection[index] : undefined;
     }
@@ -2200,10 +2200,10 @@
    */
   function forEach(collection, callback, thisArg) {
     var index = -1,
-        length = (collection && collection.length) | 0;
+        length = (length = collection && collection.length, length > -1 && length >>> 0);
 
     callback = callback && typeof thisArg == 'undefined' ? callback : baseCreateCallback(callback, thisArg, 3);
-    if (length > 0) {
+    if (length) {
       while (++index < length) {
         if (callback(collection[index], index, collection) === breakIndicator) {
           break;
@@ -2327,8 +2327,8 @@
     var args = slice(arguments, 2),
         index = -1,
         isFunc = typeof methodName == 'function',
-        length = (collection && collection.length) | 0,
-        result = Array(length < 0 ? 0 : length);
+        length = collection && collection.length,
+        result = Array(length < 0 ? 0 : length >>> 0);
 
     baseEach(collection, function(value) {
       result[++index] = (isFunc ? methodName : value[methodName]).apply(value, args);
@@ -2377,10 +2377,10 @@
    */
   function map(collection, callback, thisArg) {
     var index = -1,
-        length = (collection && collection.length) | 0;
+        length = (length = collection && collection.length, length > -1 && length >>> 0);
 
     callback = createCallback(callback, thisArg, 3);
-    if (length > 0) {
+    if (length) {
       var result = Array(length);
       while (++index < length) {
         result[index] = callback(collection[index], index, collection);
@@ -2444,9 +2444,9 @@
       callback = null;
     }
     var index = -1,
-        length = (collection && collection.length) | 0;
+        length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-    if (callback == null && length > 0) {
+    if (callback == null && length) {
       while (++index < length) {
         var value = collection[index];
         if (value > result) {
@@ -2517,9 +2517,9 @@
       callback = null;
     }
     var index = -1,
-        length = (collection && collection.length) | 0;
+        length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-    if (callback == null && length > 0) {
+    if (callback == null && length) {
       while (++index < length) {
         var value = collection[index];
         if (value < result) {
@@ -2645,9 +2645,9 @@
     callback = createCallback(callback, thisArg, 4);
 
     var index = -1,
-        length = (collection && collection.length) | 0;
+        length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-    if (length > 0) {
+    if (length) {
       if (noaccum && length) {
         accumulator = collection[++index];
       }
@@ -2761,7 +2761,7 @@
       collection = values(collection);
     }
     if (n == null || guard) {
-      var length = (collection && collection.length) | 0;
+      var length = (length = collection && collection.length, length > -1 && length >>> 0);
       return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
     }
     var result = shuffle(collection);
@@ -2786,8 +2786,8 @@
    */
   function shuffle(collection) {
     var index = -1,
-        length = (collection && collection.length) | 0,
-        result = Array(length < 0 ? 0 : length);
+        length = collection && collection.length,
+        result = Array(length < 0 ? 0 : length >>> 0);
 
     baseEach(collection, function(value) {
       var rand = baseRandom(0, ++index);
@@ -2870,9 +2870,9 @@
 
     predicate = createCallback(predicate, thisArg, 3);
     var index = -1,
-        length = (collection && collection.length) | 0;
+        length = (length = collection && collection.length, length > -1 && length >>> 0);
 
-    if (length > 0) {
+    if (length) {
       while (++index < length) {
         if (predicate(collection[index], index, collection)) {
           return true;
@@ -2937,8 +2937,8 @@
    */
   function sortBy(collection, callback, thisArg) {
     var index = -1,
-        length = (collection && collection.length) | 0,
-        result = Array(length < 0 ? 0 : length);
+        length = collection && collection.length,
+        result = Array(length < 0 ? 0 : length >>> 0);
 
     callback = createCallback(callback, thisArg, 3);
     baseEach(collection, function(value, key, collection) {
diff --git a/dist/lodash.underscore.min.js b/dist/lodash.underscore.min.js
index b3d7c47d5..87005cb24 100644
--- a/dist/lodash.underscore.min.js
+++ b/dist/lodash.underscore.min.js
@@ -3,38 +3,38 @@
  * Lo-Dash 2.4.1 (Custom Build) lodash.com/license | Underscore.js 1.6.0 underscorejs.org/LICENSE
  * Build: `lodash underscore -o ./dist/lodash.underscore.js`
  */
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 },o.lastIndexOf=function(n,r,t){var e=n?n.length:0;for(typeof t=="number"&&(t|=0,e=(0>t?Lr(0,e+t):Qr(t,e-1))+1);e--;)if(n[e]===r)return e;return-1},o.mixin=er,o.noConflict=function(){return Or._=Rr,this},o.now=ct,o.random=function(n,r){return null==n&&null==r&&(r=1),n=+n||0,null==r?(r=n,n=0):r=+r||0,n+Dr(Yr()*(r-n+1))},o.reduce=$,o.reduceRight=I,o.result=function(n,r){if(null!=n){var t=n[r];return J(t)?n[r]():t}},o.size=function(n){var r=n?n.length:0;return typeof r=="number"&&-1<r?r:at(n).length},o.some=D,o.sortedIndex=E,o.template=function(n,r,t){var u=o,i=u.templateSettings;
 n=(null==n?"":n)+"",t=U({},t,i);var f=0,a="__p+='",i=t.variable;n.replace(RegExp((t.escape||sr).source+"|"+(t.interpolate||sr).source+"|"+(t.evaluate||sr).source+"|$","g"),function(r,t,u,o,i){return a+=n.slice(f,i).replace(hr,e),t&&(a+="'+_.escape("+t+")+'"),o&&(a+="';"+o+";\n__p+='"),u&&(a+="'+((__t=("+u+"))==null?'':__t)+'"),f=i+r.length,r}),a+="';",i||(a="with(obj||{}){"+a+"}"),a="function("+(i||"obj")+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+a+"return __p}";
-try{var c=Function("_","return "+a)(u)}catch(l){throw l.source=a,l}return r?c(r):(c.source=a,c)},o.unescape=function(n){return null==n?"":(n+="",0>n.indexOf(";")?n:n.replace(lr,u))},o.uniqueId=function(n){var r=++cr+"";return n?n+r:r},o.all=k,o.any=D,o.detect=q,o.findWhere=q,o.foldl=$,o.foldr=I,o.include=S,o.inject=$,o.first=j,o.last=function(n,r,t){var e=n?n.length:0;return null==r||t?n?n[e-1]:or:(r=e-r,T(n,0>r?0:r))},o.sample=function(n,r,t){return n&&typeof n.length!="number"&&(n=Z(n)),null==r||t?(r=0|(n&&n.length),0<r?n[0+Dr(Yr()*(r-1-0+1))]:or):(n=M(n),n.length=Qr(Lr(0,r),n.length),n)
-},o.take=j,o.head=j,er(P({},o)),o.VERSION="2.4.1",o.prototype.chain=function(){return this.__chain__=true,this},o.prototype.value=function(){return this.__wrapped__},p("pop push reverse shift sort splice unshift".split(" "),function(n){var r=Fr[n];o.prototype[n]=function(){var n=this.__wrapped__;return r.apply(n,arguments),Zr.spliceObjects||0!==n.length||delete n[0],this}}),p(["concat","join","slice"],function(n){var r=Fr[n];o.prototype[n]=function(){var n=r.apply(this.__wrapped__,arguments);return this.__chain__&&(n=new i(n),n.__chain__=true),n
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+o.prototype[n]=function(){var n=r.apply(this.__wrapped__,arguments);return this.__chain__&&(n=new i(n),n.__chain__=true),n}}),typeof define=="function"&&typeof define.amd=="object"&&define.amd?(Or._=o, define("underscore",function(){return o})):Sr&&kr?qr?(kr.exports=o)._=o:Sr._=o:Or._=o}).call(this);
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diff --git a/lodash.js b/lodash.js
index dbb56c654..7954c425c 100644
--- a/lodash.js
+++ b/lodash.js
@@ -273,7 +273,7 @@
    * @returns {number} Returns the index of the matched value, else `-1`.
    */
   function baseIndexOf(array, value, fromIndex) {
-    var index = (fromIndex | 0) - 1,
+    var index = (+fromIndex || 0) - 1,
         length = array ? array.length : 0;
 
     while (++index < length) {
@@ -1396,7 +1396,7 @@
      * @returns {Array} Returns the new flattened array.
      */
     function baseFlatten(array, isShallow, isStrict, fromIndex) {
-      var index = (fromIndex | 0) - 1,
+      var index = (+fromIndex || 0) - 1,
           length = array ? array.length : 0,
           result = [];
 
@@ -2629,7 +2629,7 @@
     function indexOf(array, value, fromIndex) {
       var length = array ? array.length : 0;
       if (typeof fromIndex == 'number') {
-        fromIndex = (fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex) | 0;
+        fromIndex = fromIndex < 0 ? nativeMax(0, length + fromIndex) : (fromIndex || 0);
       } else if (fromIndex) {
         var index = sortedIndex(array, value);
         return (length && array[index] === value) ? index : -1;
@@ -2932,13 +2932,13 @@
       var index = -1,
           length = array ? array.length : 0;
 
-      start |= 0;
+      start = +start || 0;
       if (start < 0) {
         start = nativeMax(length + start, 0);
       } else if (start > length) {
         start = length;
       }
-      end = typeof end == 'undefined' ? length : (end | 0);
+      end = typeof end == 'undefined' ? length : (+end || 0);
       if (end < 0) {
         end = nativeMax(length + end, 0);
       } else if (end > length) {
@@ -3558,10 +3558,10 @@
      * // => true
      */
     function contains(collection, target, fromIndex) {
-      var length = collection ? collection.length : 0;
-      fromIndex = (typeof fromIndex == 'number' && fromIndex) | 0;
+      var length = (length = collection && collection.length, length > -1 && length >>> 0);
+      fromIndex = (typeof fromIndex == 'number' && +fromIndex) || 0;
 
-      if (typeof length == 'number' && length > -1) {
+      if (length) {
         if (typeof collection == 'string' || !isArray(collection) && isString(collection)) {
           if (fromIndex >= length) {
             return false;
@@ -3571,7 +3571,7 @@
             : collection.indexOf(target, fromIndex) > -1;
         }
         var indexOf = getIndexOf();
-        fromIndex = fromIndex < 0 ? nativeMax(0, (length | 0) + fromIndex) : fromIndex;
+        fromIndex = fromIndex < 0 ? nativeMax(0, length + fromIndex) : fromIndex;
         return indexOf(collection, target, fromIndex) > -1;
       }
       var index = -1,
@@ -4016,8 +4016,8 @@
       var args = slice(arguments, 2),
           index = -1,
           isFunc = typeof methodName == 'function',
-          length = (collection && collection.length) | 0,
-          result = Array(length < 0 ? 0 : length);
+          length = collection && collection.length,
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       baseEach(collection, function(value) {
         result[++index] = (isFunc ? methodName : value[methodName]).apply(value, args);
@@ -4066,8 +4066,8 @@
      */
     function map(collection, callback, thisArg) {
       var index = -1,
-          length = (collection && collection.length) | 0,
-          result = Array(length < 0 ? 0 : length);
+          length = collection && collection.length,
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       callback = lodash.createCallback(callback, thisArg, 3);
       if (isArray(collection)) {
@@ -4455,7 +4455,7 @@
         collection = collection.split('');
       }
       if (n == null || guard) {
-        var length = (collection && collection.length) | 0;
+        var length = (length = collection && collection.length, length > -1 && length >>> 0);
         return length > 0 ? collection[baseRandom(0, length - 1)] : undefined;
       }
       var result = shuffle(collection);
@@ -4480,8 +4480,8 @@
      */
     function shuffle(collection) {
       var index = -1,
-          length = (collection && collection.length) | 0,
-          result = Array(length < 0 ? 0 : length);
+          length = collection && collection.length,
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       baseEach(collection, function(value) {
         var rand = baseRandom(0, ++index);
@@ -4631,9 +4631,9 @@
      */
     function sortBy(collection, callback, thisArg) {
       var index = -1,
-          length = (collection && collection.length) | 0,
+          length = collection && collection.length,
           multi = callback && isArray(callback),
-          result = Array(length < 0 ? 0 : length);
+          result = Array(length < 0 ? 0 : length >>> 0);
 
       if (!multi) {
         callback = lodash.createCallback(callback, thisArg, 3);
@@ -6949,7 +6949,7 @@
       target = String(target);
 
       var length = string.length;
-      position = (typeof position == 'number' ? nativeMin(nativeMax(position | 0, 0), length) : length) - target.length;
+      position = (typeof position == 'number' ? nativeMin(nativeMax(+position || 0, 0), length) : length) - target.length;
       return position >= 0 && string.indexOf(target, position) == position;
     }
 
@@ -7202,7 +7202,7 @@
      */
     function startsWith(string, target, position) {
       string = string == null ? '' : String(string);
-      position = typeof position == 'number' ? nativeMin(nativeMax(position | 0, 0), string.length) : 0;
+      position = typeof position == 'number' ? nativeMin(nativeMax(+position || 0, 0), string.length) : 0;
       return string.lastIndexOf(target, position) == position;
     }
 
@@ -7508,11 +7508,11 @@
 
       if (options && isObject(options)) {
         var separator = 'separator' in options ? options.separator : separator;
-        length = 'length' in options ? options.length | 0 : length;
+        length = 'length' in options ? +options.length || 0 : length;
         omission = 'omission' in options ? String(options.omission) : omission;
       }
       else if (options != null) {
-        length = options | 0;
+        length = +options || 0;
       }
       string = string == null ? '' : String(string);
       if (length >= string.length) {