method

lambda

Importance_1
Ruby latest stable (v1_8_7_72) - 1 note - Class: Kernel
lambda() public

Equivalent to Proc.new, except the resulting Proc objects check the number of parameters passed when called.

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July 16, 2009
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Usage example

Usage example: 

  cube = lambda {|x| x * x * x }
  cube.call(3)  # => 27
  cube.call(6)  # => 216