gistfile1.rb

module YCombinator
    def y_comb(&generator)
        proc { |x|
            proc { |*args|
                generator.call(x.call(x)).call(*args)
            }
        }.call(proc { |x|
            proc { |*args|
                generator.call(x.call(x)).call(*args)
            }
        })
    end
end