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  1. #include <cstdio>	// for printf.
  2. #include <cstdint>	// for int32_t.
  3.  
  4. template<typename U>
  5. auto kuso(U) -> void;
  6.  
  7. auto kuso(bool b) -> void
  8. {
  9. 	std::printf("in auto kuso(bool) -> void\n");
  10. 	kuso<bool>(b);
  11. }
  12.  
  13. auto kuso(double r) -> void
  14. {
  15. 	std::printf("in auto kuso(double) -> void\n");
  16. 	kuso<double>(r);
  17. }
  18.  
  19. template<typename U>
  20. auto kuso(U) -> void
  21. {
  22. 	std::printf("in auto kuso<U>(U) -> void\n");
  23. 	std::printf("    sizeof(U) = %u\n", (unsigned)sizeof(U));
  24. }
  25.  
  26. auto main() -> int
  27. {
  28. 	std::printf("--\n");
  29. 	kuso(true);
  30.  
  31. 	std::printf("--\n");
  32. 	kuso(3.14);
  33.  
  34. 	std::printf("--\n");
  35. 	kuso<std::int32_t>(100);
  36. }
  37.  
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
stdout
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--
in auto kuso(bool) -> void
in auto kuso<U>(U) -> void
    sizeof(U) = 1
--
in auto kuso(double) -> void
in auto kuso<U>(U) -> void
    sizeof(U) = 8
--
in auto kuso<U>(U) -> void
    sizeof(U) = 4
https://ideone.com/6ry1qG
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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