PHP PEG::delay示例

示例#1

文件： Delay.php 项目： ngyuki/PHPPEG

<?php

include_once dirname(__FILE__) . '/t/t.php';
$t = new lime_test();
function parser()
{
    return PEG::token('a');
}
$p = PEG::delay('parser');
$t->is($p->parse(PEG::context('a')), 'a');
$t->is($p->parse(PEG::context('b')), PEG::failure());