havenwood/proc_composition.rb Secret

## proc_composition.rb
class Proc
  def >> other
    -> arg { other.to_proc.call call arg }
  end
end

@foo.tap &:start.to_proc >> :thing >> :whatever
	class Proc
	def >> other
	-> arg { other.to_proc.call call arg }
	end
	end

	@foo.tap &:start.to_proc >> :thing >> :whatever