SHARE
TWEET

Untitled

a guest Jun 16th, 2019 57 Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  1. #ifndef MAP_FILT_H
  2. #define MAP_FILT_H
  3.  
  4. #include <vector>
  5. #include <map>
  6.  
  7. template<typename T, typename T2, class Func>
  8. class map_filter_view
  9. {
  10.   private:
  11.   std::map<T, T2>& myMap;
  12.   Func func;
  13.   public:
  14.   map_filter_view(std::map<T, T2>& myMap)
  15.   {
  16.     this->myMap = myMap;
  17.   }
  18.  
  19.   int count (T key) const
  20.   {
  21.     int sum = 0;
  22.     for (std::pair<T, T2>& item : myMap)
  23.     {
  24.       if (!func(item) && item.first == key)
  25.       {
  26.         ++sum;
  27.       }
  28.     }
  29.     return sum;
  30.   }
  31.  
  32.   int size () const
  33.   {
  34.     int sum = 0;
  35.     for (std::pair<T, T2>& item : myMap)
  36.     {
  37.       if (!func(item))
  38.       {
  39.         ++sum;
  40.       }
  41.     }
  42.     return sum;
  43.   }
  44. };
  45. #endif
RAW Paste Data
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. OK, I Understand
 
Top