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  1. #include <iostream>
  2. #include <map>
  3.  
  4. std::map<std::string, void(*)()> myMap;
  5.  
  6. #define LUAVOID(FN, ...) \
  7.     void FN(); \
  8.     static auto addFN ## __LINE__ = myMap.emplace(#FN, FN); \
  9.     void FN()
  10.  
  11. LUAVOID(TextMsg, string s)
  12. {
  13.     std::cout << "hello!\n";
  14. }
  15.  
  16. int main()
  17. {
  18. 	(myMap.find("TextMsg")->second)();
  19. }
Success #stdin #stdout 0s 3276KB
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stdin
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Standard input is empty
stdout
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hello!
https://ideone.com/yBT9vU
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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