From 408fe5facc482f84194bbe79865a26b57b2cc883 Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Wed, 31 May 2006 23:25:36 +0000 Subject: Added Array#to_s(:db) that'll produce a comma-separated list of ids [DHH] Split Grouping into its own file git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4387 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activesupport/lib/active_support/core_ext/array.rb | 41 ++-------------------- 1 file changed, 2 insertions(+), 39 deletions(-) (limited to 'activesupport/lib/active_support/core_ext/array.rb') diff --git a/activesupport/lib/active_support/core_ext/array.rb b/activesupport/lib/active_support/core_ext/array.rb index 243aeab423..d47b988255 100644 --- a/activesupport/lib/active_support/core_ext/array.rb +++ b/activesupport/lib/active_support/core_ext/array.rb @@ -1,44 +1,7 @@ require File.dirname(__FILE__) + '/array/conversions' +require File.dirname(__FILE__) + '/array/grouping' class Array #:nodoc: include ActiveSupport::CoreExtensions::Array::Conversions - - # Iterate over an array in groups of a certain size, padding any remaining - # slots with specified value (nil by default). - # - # E.g. - # - # %w(1 2 3 4 5 6 7).in_groups_of(3) {|g| p g} - # ["1", "2", "3"] - # ["4", "5", "6"] - # ["7", nil, nil] - def in_groups_of(number, fill_with = nil, &block) - require 'enumerator' - collection = dup - collection << fill_with until collection.size.modulo(number).zero? - 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+ - # or the result of an optional block. - # - # ex. - # - # [1, 2, 3, 4, 5].split(3) # => [[1, 2], [4, 5]] - # (1..10).to_a.split { |i| i % 3 == 0 } # => [[1, 2], [4, 5], [7, 8], [10]] - def split(value = nil, &block) - block ||= Proc.new { |e| e == value } - inject([[]]) do |results, element| - if block.call(element) - results << [] - else - results.last << element - end - results - end - end + include ActiveSupport::CoreExtensions::Array::Grouping end -- cgit v1.2.3