V2EX = way to explore
V2EX 是一个关于分享和探索的地方
Sign Up Now
For Existing Member Sign In
This topic created in 1989 days ago, the information mentioned may be changed or developed.
经典的单例类
static CA* Instance(){static CA *instance =new CA() ; return instance;}
模板函数成员
template <typename T>
void creatDB(const std::vector <T> &log);
编译能过，单例的 Instance()也有值，运行到了 creatDB，this 就变成 0x0 了，然后就崩了。
Select Language