直接上代碼
void Add(int a, double b, short c, const char * f) {
std::cout << f << a << ", " << b << ", " << c << ";\n";
}
void *p = nullptr;
template <typename ... Args>
void CallLater(Args... args) {
auto c = std::make_tuple(args...);
auto ptuple = new decltype(c);
*ptuple = c;
p = (void *)ptuple;
}
void doCall(){
using v = std::tuple<int , double , short , const char * >;
v * ptuple = static_cast<v *>(p);
std::apply(Add, *ptuple);
delete ptuple;
p = nullptr;
}
void main()
{
CallLater(1, 3.5, (short)3, "this");
doCall();
}