//
// 3.6.cpp
// c++1x tutorial
//
// created by changkun at changkun.de
//
// 完美转发
#include
#include
void reference(int& v) {
std::cout << "左值引用" << std::endl;
}
void reference(int&& v) {
std::cout << "右值引用" << std::endl;
}
template
void pass(T&& v) {
std::cout << "普通传参:";
reference(v);
std::cout << "std::move 传参:";
reference(std::move(v));
std::cout << "std::forward 传参:";
reference(std::forward(v));
}
int main() {
std::cout << "传递右值:" << std::endl;
pass(1);
std::cout << "传递左值:" << std::endl;
int v = 1;
pass(v);
return 0;
}