Method: LambdaDriver::Composable#compose

Defined in:
lib/lambda_driver/composable.rb,
lib/lambda_driver/composable.rb

#compose(g) ⇒ Object

Returns new lambda which composed self and given function. A composed proc called with args, executes ‘self.(g(*args)).

f = lambda{|x| x.to_s }
g = lambda{|y| y.length }
h = f compose g
h.(:hoge) # => 4

This method is aliased as ‘<<`.

f << g # => f.compose(g)



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# File 'lib/lambda_driver/composable.rb', line 16

def compose(g)
  lambda{|*args|
    self.to_proc.call(g.to_proc.call(*args))
  }
end