Make Array#in_groups_of just return the grouped collection if a block isn't given. [Marcel Molina Jr.]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4345 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Make Array#in_groups_of just return the grouped collection if a block isn't given. [Marcel Molina Jr.] 
+
 * Don't destroy a HashWithIndifferentAccess if symbolize_keys! or  stringify_keys! is called on it. Closes #5076. [Marcel Molina Jr., guy.naor@famundo.com]
 
 * Document Module::delegate. #5002 [pergesu@gmail.com]

activesupport/lib/active_support/core_ext/array.rb

@@ -16,7 +16,11 @@ class Array #:nodoc:
     require 'enumerator'
     collection = dup
     collection << fill_with until collection.size.modulo(number).zero?
-    collection.each_slice(number, &block)
+    grouped_collection = [] unless block_given?
+    collection.each_slice(number) do |group|
+      block_given? ? yield(group) : grouped_collection << group
+    end
+    grouped_collection unless block_given?
   end
   
   # Divide the array into one or more subarrays based on a delimiting +value+

activesupport/test/core_ext/array_ext_test.rb

@@ -47,6 +47,7 @@ class ArrayExtGroupingTests < Test::Unit::TestCase
     end
 
     assert_equal [%w(a b c), %w(d e f), %w(g h i)], groups
+    assert_equal [%w(a b c), %w(d e f), %w(g h i)], ('a'..'i').to_a.in_groups_of(3)
   end
 
   def test_group_by_with_padding