2024-03-21-文章 发表于 2024-03-12 转换运算符：http://c.biancheng.net/view/410.html https://www.cnblogs.com/sjinsa/p/4762681.html https://blog.csdn.net/weixin_41966991/article/details/81152490 gcc详细介绍: https://blog.csdn.net/lu_embedded/article/details/117848775