fork download
copy 
  1. #include <iostream>
  2. #include <string>
  3.  
  4. namespace some_package {
  5. 	class type {
  6. 		long code_;
  7. 	public:
  8. 		constexpr type(long code):
  9. 			code_(code)
  10. 		{}
  11.  
  12. 		constexpr auto code() const {
  13. 			return code_;
  14. 		}
  15.  
  16. 		friend std::string to_string(type const &t) {
  17. 			return std::to_string(t.code());
  18. 		}
  19.  
  20. 		struct constants;
  21. 	};
  22.  
  23. 	struct type::constants {
  24. 		static constexpr type type1 = type(1);
  25. 		static constexpr type type2 = type(2);
  26. 		/* etc */
  27. 	};
  28. }
  29.  
  30.  
  31. int main() {
  32. 	std::cout << to_string(some_package::type::constants::type1);
  33. 	std::cout << some_package::type::constants::type2.code();
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
12
https://ideone.com/rrdcsr
language:
C++14 (gcc 8.3)
created:
7 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!