fork download
copy 
  1. #include <utility>
  2. #include <type_traits>
  3.  
  4.     template<typename T, typename U>
  5.     typename std::enable_if< std::is_convertible< U&&, T >::value >::type // not quite perfect
  6.     assign( T* dest, U&& src ) {
  7.       *dest = std::forward<U>(src);
  8.     }
  9.  
  10. #include <iostream>
  11.  
  12. int main() {
  13.     double d;
  14.     assign( &d, 2 );
  15.     std::cout << d << "\n";
  16. }
Success #stdin #stdout 0s 2896KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
2
https://ideone.com/9Atdr7
language:
C++14 (gcc 8.3)
created:
10 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!