in the previous post i described Brzozowski derivatives: you take a regex and a character, and get back a new regex that matches whatever is left after consuming that character. der(hello, h) = ello. simple, elegant, and the foundation of everything RE# does.
isorecursive types
。搜狗输入法对此有专业解读
第六十七条 托运人应当按照海上货物运输合同的约定将货物交付承运人运输，并保证交付运输的货物适于约定的运输。
1979年7月1日，第五届全国人民代表大会第二次会议在人民大会堂召开。整齐的掌声响起，《中华人民共和国刑法（草案）》表决通过。高铭暄正站在人民大会堂的三楼，他下意识地看了看手表，时间指向下午4时5分，他在心里默数，“25年过去了啊。”
For immediate answers, proceed to this article's conclusion. Those preferring independent solving should continue for strategic assistance.