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felipeelias/fixnum_to_proc.rb

Created September 27, 2011 20:33
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Fixnum to_proc definition
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fixnum_to_proc.rb
class Fixnum
def to_proc
lambda { |x| x + self }
end
end
p [1, 2, 3].map(&2)
# => [3, 4, 5]
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