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  1. #include <iostream>
  2.  
  3. struct Test {
  4.     int a;
  5.     constexpr Test (int b): a(b) {};
  6.     Test(const Test& a);
  7. };
  8.  
  9. Test::Test(const Test& t) {
  10.     this->a = t.a;
  11. }
  12.  
  13. constexpr Test set_test(int a) {
  14.     return Test(a);
  15. }
  16.  
  17. int main() {
  18.   std::cout << "set_test(1).a: " << set_test(1).a << std::endl;
  19.     return 0;
  20. }
Success #stdin #stdout 0s 4516KB
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stdin
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Standard input is empty
stdout
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set_test(1).a: 1
https://ideone.com/1BZhTp
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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