is null 优化_C++核心准则边译边学-I.12 用not_null定义不能为空的指针
I.12: Declare a pointer that must not be null as not_null( 用not_null定义不能为空的指针)Reason(原因)To help avoid dereferencing nullptr errors. To improve performance by avoiding redundant checks for nullptr.为了防止...