From 695d6e14d49b0e9561938e2fff65de4a651d52af Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Sat, 3 May 2014 21:42:19 -0700
Subject: [PATCH] Remove `_.at` guard for `_.map` use.

---
 lodash.js    | 9 ++-------
 test/test.js | 7 -------
 2 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/lodash.js b/lodash.js
index 9651ec14a..05589fcb0 100644
--- a/lodash.js
+++ b/lodash.js
@@ -3610,17 +3610,12 @@
      * _.at(['fred', 'barney', 'pebbles'], 0, 2);
      * // => ['fred', 'pebbles']
      */
-    function at(collection, guard) {
+    function at(collection) {
       var args = arguments,
           index = -1,
           props = baseFlatten(args, true, false, 1),
-          length = props.length,
-          type = typeof guard;
+          length = props.length;
 
-      // enables use as a callback for functions like `_.map`
-      if ((type == 'number' || type == 'string') && args[2] && args[2][guard] === collection) {
-        length = 1;
-      }
       if (support.unindexedChars && isString(collection)) {
         collection = collection.split('');
       }
diff --git a/test/test.js b/test/test.js
index df7571744..68b4f3a26 100644
--- a/test/test.js
+++ b/test/test.js
@@ -693,13 +693,6 @@
       deepEqual(actual, [1, 3]);
     });
 
-    test('should work when used as a callback for `_.map`', 1, function() {
-      var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]],
-          actual = _.map(array, _.at);
-
-      deepEqual(actual, [[1], [5], [9]]);
-    });
-
     _.each({
       'literal': 'abc',
       'object': Object('abc')