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  1. #include <iostream>
  2.  
  3. #define RESULT(func, ...) Result<decltype(func(__VA_ARGS__))>
  4.  
  5. template<typename T>
  6. class Result {
  7. public:
  8.     void foo() {
  9.         std::cout << "bar\n";
  10.     }
  11. };
  12.  
  13. int main(int argc, char **argv) {
  14.     RESULT(main, argc, argv) result; // same as `Result<int> result;`
  15.  
  16.     result.foo();
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0s 2928KB
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stdin
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Standard input is empty
stdout
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bar
https://ideone.com/cPTjjF
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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