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  1. #include <cstdint>
  2. #include <iostream>
  3.  
  4. namespace detail {
  5.  
  6. constexpr
  7. std::uint32_t
  8. make_test(char a, char b, char c)
  9. {
  10.     return
  11.         static_cast<std::uint32_t>(a << 24) +
  12.         static_cast<std::uint32_t>(b << 16) +
  13.         static_cast<std::uint32_t>(c << 8);
  14. }
  15.  
  16. }
  17.  
  18. enum class Test : std::uint32_t
  19. {
  20.     FOO = detail::make_test('F', 'O', 'O'),
  21.     BAR = detail::make_test('B', 'A', 'R')
  22. };
  23.  
  24. int main(int, char **)
  25. {
  26. 	std::cout << "FOO: " << static_cast<std::uint32_t>(Test::FOO) << "\n";
  27. 	std::cout << "BAR: " << static_cast<std::uint32_t>(Test::BAR) << "\n";
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 4472KB
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stdin
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Standard input is empty
stdout
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FOO: 1179602688
BAR: 1111577088
https://ideone.com/qQpllh
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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