#!/usr/bin/env ruby
squarer = Proc.new{|x| x*x}
cuber = Proc.new{|x| x*x*x}
def m(x, proc1, proc2)
    puts "x: #{x}, first proc: #{proc1.call(x)}, second proc: #{proc2.call(x)}"
end
m(2, squarer, cuber)