#!/usr/bin/env ruby require "prawn" pdf = Prawn::Document.new p pdf.bounds.left で、 0

>>> from lepl import * >>> def star_show(x): ... print("*", x, "*") ... return x ... >>> (Literal('a') > star_show).parse('abc') * ['a'] * [['a']] >>> (Literal('a') >= star_show).parse('abc') * ['a'] * ['a'] >>> (Literal('a') >> star_show)…