//
// 3.6.perfect.forward.cpp
// modern c++ tutorial
//
// created by changkun at changkun.de
// https://github.com/changkun/modern-cpp-tutorial
//
#include
#include
void reference(int& v) {
std::cout << "lvalue reference" << std::endl;
}
void reference(int&& v) {
std::cout << "rvalue reference" << std::endl;
}
template
void pass(T&& v) {
std::cout << " normal param passing: ";
reference(v);
std::cout << " std::move param passing: ";
reference(std::move(v));
std::cout << " std::forward param passing: ";
reference(std::forward(v));
std::cout << "static_cast param passing: ";
reference(static_cast(v));
}
int main() {
std::cout << "rvalue pass:" << std::endl;
pass(1);
std::cout << "lvalue pass:" << std::endl;
int l = 1;
pass(l);
return 0;
}