fork download
copy 
  1. // types.h
  2. enum Types
  3. {
  4.     kType1,
  5.     kType2
  6.     // ...
  7. };
  8.  
  9. struct Base {};
  10.  
  11. // d1.h
  12. class D1 : public Base
  13. {
  14. public:
  15.     static const int type = kType1;
  16.     // ...
  17. };
  18.  
  19. // d2.h
  20. class D2 : public Base
  21. {
  22. public:
  23.     static const int type = kType2;
  24.     // ...
  25. };
  26.  
  27. struct MyObject {};
  28.  
  29. #include <map>
  30. // other.cpp
  31. class Foo
  32. {
  33.     std::multimap<int, MyObject> mm_;
  34.  
  35.     template<typename T>
  36.     void doSomething(MyObject obj)
  37.     {
  38.         mm_.insert(std::multimap<int, MyObject>::value_type(T::type, obj));
  39.     }
  40.  
  41. public:
  42.     void bar() {
  43.       MyObject obj;
  44.       doSomething<D1>(obj);
  45.       doSomething<D2>(obj);
  46.     }
  47. };
  48.  
  49. int main() {
  50.     Foo f;
  51.     f.bar();
  52. }
  53.  
Success #stdin #stdout 0s 2980KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/CTu1UD
language:
C++ (gcc 8.3)
created:
11 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!