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  1. #include <iostream>
  2. #include <string>
  3. #include <unordered_map>
  4.  
  5. class Test
  6. {
  7.   public:
  8.  
  9.    enum class Index
  10.    {
  11.       three = 3,
  12.       six = 6
  13.    };    
  14.  
  15.   struct HashIndex
  16.   {
  17.     size_t operator()(Index index) const {  return (size_t)index;  }
  18.   };    
  19.  
  20.   private:
  21.     static const std::unordered_map<Index,std::string,HashIndex> m;
  22. };
  23.  
  24.  
  25. const std::unordered_map<Test::Index,std::string,Test::HashIndex> 
  26.      m = { 
  27.                 {Test::Index::three, "three" }, 
  28.                 {Test::Index::six,   "six" }
  29.          };
  30.  
  31. int main() {
  32. 	// your code goes here
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 3468KB
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https://ideone.com/Up089b
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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