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  1. namespace my 
  2. {
  3. 	template <typename> struct less;
  4. 	template <typename, typename> struct pair;
  5. 	template <typename> struct page_allocator;
  6. 	template <typename> struct cached_alloc;
  7. 	template <typename, typename, typename, typename, typename, typename> struct set_base {};
  8.  
  9. 	struct select1st;
  10. 	struct ins_unique;
  11.  
  12.     // my custom map
  13.     template<typename K, typename V, typename order = less<K>, typename allocator = cached_alloc<page_allocator<pair<K,V> > > >
  14.         class map : public set_base<pair<K, V>, K, select1st, order, ins_unique, allocator>
  15.         {
  16.         };
  17. }
  18.  
  19. template <typename T>    
  20. class Base
  21. {
  22. protected:
  23.     typedef my::map<T, double> MyMap;
  24.     MyMap m_map;                                // this is line NN
  25.  
  26. public:
  27.     void func(const T& key)
  28.     {
  29.         typename MyMap::iterator it = m_map.find(key);
  30.         if(it != m_map.end()) {
  31.             // ....
  32.         }
  33.     }
  34. };
  35.  
  36. class Inherited1 : public Base <char>
  37. { };
  38. class Inherited2 : public Base <int>
  39. { };
  40.  
  41. int main() {}
Success #stdin #stdout 0s 3336KB
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https://ideone.com/6rjXXB
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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