摘要：
const object - an object whose type is const-qualified, or a non-mutable subobject of a const object. Such object cannot be modified: attempt to do so 阅读全文
摘要：
template <typename T, typename ...A>int g(T (*f)(A......), A... args){ return f(args..., 9);}int fz(int a,char b, ...){ return a+b;}int main(int argc, 阅读全文