摘要: enum kind {E_INT, E_ADD, E_TIMES}; struct Exp { enum Exp_Kind_tkind; } struct Exp_Add{ enum Exp_Kind_tkind; struct Exp *left; struct Exp *right;} http 阅读全文
posted @ 2020-12-25 20:41 myhuang 阅读(774) 评论(0) 推荐(0) 编辑