fork(1) download
copy 
  1. 	#include <type_traits>
  2. 	#include <iostream>
  3. 	class MyClass
  4. 	{
  5. 	};
  6.  
  7. 	template <typename Object>
  8. 	class List
  9. 	{
  10. 	public:
  11.  
  12. 		template<class T=Object>
  13. 		void insert(T t, typename std::enable_if<std::is_same<T,Object>::value&&std::is_pointer<T>::value >::type* = 0) 
  14. 		{
  15. 		    std::cout << "insert pointer" << std::endl;
  16. 		}
  17.  
  18. 		template<class T=Object>
  19. 		void insert(const T& t, typename std::enable_if<std::is_same<T,Object>::value&&!std::is_pointer<T>::value >::type* = 0) 
  20. 		{
  21. 		    std::cout << "insert non-pointer" << std::endl;
  22. 		}
  23. 	};
  24.  
  25. 	int main()
  26. 	{
  27. 	    MyClass a;
  28.  
  29. 	    List<MyClass> lst;
  30. 	    List<MyClass*> plst;
  31.  
  32. 	    lst.insert(a);
  33. 	    // plst.insert(a); // compiler error
  34.  
  35. 	    // lst.insert(new MyClass()); // compiler error
  36. 	    plst.insert(new MyClass());
  37.  
  38.  
  39. 	    return 0;
  40. 	}
Success #stdin #stdout 0s 3228KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
insert non-pointer
insert pointer
https://ideone.com/3DtBfr
language:
C++14 (gcc 8.3)
created:
9 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!