diff options
Diffstat (limited to 'activesupport/lib')
-rw-r--r-- | activesupport/lib/active_support/core_ext/array/grouping.rb | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/grouping.rb b/activesupport/lib/active_support/core_ext/array/grouping.rb index 6f28e1eb6d..fae23d4af9 100644 --- a/activesupport/lib/active_support/core_ext/array/grouping.rb +++ b/activesupport/lib/active_support/core_ext/array/grouping.rb @@ -3,7 +3,8 @@ module ActiveSupport #:nodoc: module Array #:nodoc: module Grouping # Iterate over an array in groups of a certain size, padding any remaining - # slots with specified value (<tt>nil</tt> by default). + # slots with specified value (<tt>nil</tt> by default) unless it is + # <tt>false</tt>. # # E.g. # @@ -11,10 +12,18 @@ module ActiveSupport #:nodoc: # ["1", "2", "3"] # ["4", "5", "6"] # ["7", nil, nil] + # + # %w(1 2 3).in_groups_of(2, ' ') {|g| p g} + # ["1", "2"] + # ["3", " "] + # + # %w(1 2 3).in_groups_of(2, false) {|g| p g} + # ["1", "2"] + # ["3"] def in_groups_of(number, fill_with = nil, &block) require 'enumerator' collection = dup - collection << fill_with until collection.size.modulo(number).zero? + collection << fill_with until collection.size.modulo(number).zero? unless fill_with == false grouped_collection = [] unless block_given? collection.each_slice(number) do |group| block_given? ? yield(group) : grouped_collection << group |