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  1. #include <iostream>
  2. #include <map>
  3.  
  4. // Utilities.h
  5. namespace Utilities {
  6.   typedef std::map<int, int> Map;
  7.   Map & textToIntMap();
  8. }
  9.  
  10. // Utilities.cpp
  11. namespace Utilities {
  12.   Map & textToIntMap() {
  13.     static struct InitializedMap : Map {
  14.       InitializedMap() {
  15.         (*this)[1] = 2;
  16.       }
  17.     } map;
  18.     return map;
  19.   }
  20. }
  21.  
  22. int main() {
  23.     std::cout << Utilities::textToIntMap()[1] << std::endl;
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3476KB
comments (?)
stdin 
Standard input is empty
stdout 
2
https://ideone.com/kBVWot
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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