22 lines
629 B
Ruby
22 lines
629 B
Ruby
require File.dirname(__FILE__) + '/array/conversions'
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class Array #:nodoc:
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include ActiveSupport::CoreExtensions::Array::Conversions
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# Iterate over an array in groups of a certain size, padding any remaining
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# slots with specified value (<tt>nil</tt> by default).
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#
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# E.g.
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#
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# %w(1 2 3 4 5 6 7).in_groups_of(3) {|g| p g}
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# ["1", "2", "3"]
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# ["4", "5", "6"]
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# ["7", nil, nil]
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def in_groups_of(number, fill_with = nil, &block)
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require 'enumerator'
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collection = dup
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collection << fill_with until collection.size.modulo(number).zero?
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collection.each_slice(number, &block)
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end
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end
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