fork(2) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct Foo {
  5.  
  6. 	template <typename U>
  7. 	Foo(U&& i) : i(i){}
  8.  
  9. 	Foo(const Foo& rhs) {
  10. 		std::cout <<"copy";
  11. 	}
  12.  
  13. 	int i;
  14. };
  15.  
  16. int main() {
  17.  
  18. 	Foo f(42);
  19. 	auto f2(f);
  20.  
  21. 	return 0;
  22. }
Compilation error #stdin compilation error #stdout 0s 4356KB
comments (?)
stdin
copy 
Standard input is empty
compilation info 
prog.cpp: In instantiation of ‘Foo::Foo(U&&) [with U = Foo&]’:
prog.cpp:19:11:   required from here
prog.cpp:7:18: error: cannot convert ‘Foo’ to ‘int’ in initialization
  Foo(U&& i) : i(i){}
                  ^
stdout
copy 
Standard output is empty
https://ideone.com/yKSNEi
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!