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bxt/with_last.rb

Created October 6, 2017 13:26
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Map over ruby arrays / enumerables and have the last element marked with a boolean
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with_last.rb
def with_last(enumerable, length = enumerable.length)
Enumerator.new do |yielder|
enumerable.each_with_index do |element, index|
yielder.yield(element, index == length - 1)
end
end
end
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