Each p: : RD grammar becomes an object blessed into the p: : RD class, with each rule in the grammar as a method you can use to cause actions to happen.
每个P：RD语法成为P： rd类中的一个对象，语法中的每一个规则都可以作为用来执行动作的方法。
Each p: : RD grammar becomes an object blessed into the p: : RD class, with each rule in the grammar as a method you can use to cause actions to happen.
每个P：RD语法成为P： rd类中的一个对象，语法中的每一个规则都可以作为用来执行动作的方法。
应用推荐