From 9482554f31f3ac7f941e6239890c60fcc01975e1 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Mon, 15 Aug 2011 16:56:33 -0500
Subject: Added Array#prepend as an alias for Array#unshift and Array#append as
 an alias for Array#<< [DHH]

---
 activesupport/CHANGELOG                                        |  2 ++
 activesupport/lib/active_support/core_ext/array.rb             |  1 +
 .../lib/active_support/core_ext/array/prepend_and_append.rb    |  7 +++++++
 activesupport/test/core_ext/array_ext_test.rb                  | 10 ++++++++++
 4 files changed, 20 insertions(+)
 create mode 100644 activesupport/lib/active_support/core_ext/array/prepend_and_append.rb

diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index 2129e8b179..dba914da48 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,5 +1,7 @@
 *Rails 3.2.0 (unreleased)*
 
+* Added Array#prepend as an alias for Array#unshift and Array#append as an alias for Array#<< [DHH]
+
 * Removed support for using Module#delegate to delegate to non-public methods [Jon Leighton]
 
 * The definition of blank string for Ruby 1.9 has been extended to Unicode whitespace.
diff --git a/activesupport/lib/active_support/core_ext/array.rb b/activesupport/lib/active_support/core_ext/array.rb
index 4688468a8f..268c9bed4c 100644
--- a/activesupport/lib/active_support/core_ext/array.rb
+++ b/activesupport/lib/active_support/core_ext/array.rb
@@ -5,3 +5,4 @@ require 'active_support/core_ext/array/conversions'
 require 'active_support/core_ext/array/extract_options'
 require 'active_support/core_ext/array/grouping'
 require 'active_support/core_ext/array/random_access'
+require 'active_support/core_ext/array/prepend_and_append'
diff --git a/activesupport/lib/active_support/core_ext/array/prepend_and_append.rb b/activesupport/lib/active_support/core_ext/array/prepend_and_append.rb
new file mode 100644
index 0000000000..27718f19d4
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/array/prepend_and_append.rb
@@ -0,0 +1,7 @@
+class Array
+  # The human way of thinking about adding stuff to the end of a list is with append
+  alias_method :append,  :<<
+
+  # The human way of thinking about adding stuff to the beginning of a list is with prepend
+  alias_method :prepend, :unshift
+end
\ No newline at end of file
diff --git a/activesupport/test/core_ext/array_ext_test.rb b/activesupport/test/core_ext/array_ext_test.rb
index e532010b18..f035505a01 100644
--- a/activesupport/test/core_ext/array_ext_test.rb
+++ b/activesupport/test/core_ext/array_ext_test.rb
@@ -465,3 +465,13 @@ class ArrayWrapperTests < Test::Unit::TestCase
     assert_equal DoubtfulToAry.new.to_ary, Array.wrap(DoubtfulToAry.new)
   end
 end
+
+class ArrayPrependAppendTest < Test::Unit::TestCase
+  def test_append
+    assert_equal [1, 2], [1].append(2)
+  end
+  
+  def test_prepend
+    assert_equal [2, 1], [1].prepend(2)
+  end
+end
\ No newline at end of file
-- 
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