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require File.dirname(__FILE__) + '/array/conversions'
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 (<tt>nil</tt> 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?
collection.each_slice(number, &block)
end
end
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