Revert "Added Enumerable#pluck to wrap the common pattern of collect(&:method) *DHH*"

This reverts commit 4d20de8a50d889a09e6f5642984775fe796ca943.

3 files changed, 3 insertions, 19 deletions

diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 1516472fed..d32c094b13 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,9 +1,7 @@
 ## Rails 3.2.0 (unreleased) ##
 
-*   Added Enumerable#pluck to wrap the common pattern of collect(&:method) *DHH*
-
-*   Module#synchronize is deprecated with no replacement.  Please use `monitor`
-    from ruby's standard library.
+* Module#synchronize is deprecated with no replacement.  Please use `monitor`
+  from ruby's standard library.
 
 *   (Date|DateTime|Time)#beginning_of_week accept an optional argument to
     be able to set the day at which weeks are assumed to start.
diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb
index d9856f2e84..9343bb7106 100644
--- a/activesupport/lib/active_support/core_ext/enumerable.rb
+++ b/activesupport/lib/active_support/core_ext/enumerable.rb
@@ -63,13 +63,6 @@ module Enumerable
     end
   end
 
-  # Plucks the value of the passed method for each element and returns the result as an array. Example:
-  #
-  #   people.pluck(:name) # => [ "David Heinemeier Hansson", "Jamie Heinemeier Hansson" ]
-  def pluck(method)
-    collect { |element| element.send(method) }
-  end
-
   # Iterates over a collection, passing the current element *and* the
   # +memo+ to the block. Handy for building up hashes or
   # reducing collections down to one object. Examples:
diff --git a/activesupport/test/core_ext/enumerable_test.rb b/activesupport/test/core_ext/enumerable_test.rb
index 7ce7c4d52d..cdfa991a34 100644
--- a/activesupport/test/core_ext/enumerable_test.rb
+++ b/activesupport/test/core_ext/enumerable_test.rb
@@ -126,11 +126,4 @@ class EnumerableTests < Test::Unit::TestCase
     assert_equal true,  GenericEnumerable.new([ 1 ]).exclude?(2)
     assert_equal false, GenericEnumerable.new([ 1 ]).exclude?(1)
   end
-  
-  def test_pluck_single_method
-    person = Struct.new(:name)
-    people = [ person.new("David"), person.new("Jamie") ]
-    
-    assert_equal [ "David", "Jamie" ], people.pluck(:name)
-  end
-end
\ No newline at end of file
+end