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marcinbunsch/array_invoke.rb

Created October 14, 2009 20:26
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Array#invoke
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array_invoke.rb
class Array
# invoke a method on each element of the array and return an array of return values
def invoke(method_name, *args, &block)
collect { |item| item.send(method_name, *args, &block) }
end
end
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