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  1. #include <iostream>
  2.  
  3. struct C {
  4.   C() {}
  5.   C(const C&) { std::cout << "A copy was made." << std::endl; }
  6. };
  7.  
  8. C f() {
  9.   return C();
  10. }
  11.  
  12. int main() {
  13.   std::cout << "Hello World!" << std::endl;
  14.   C obj = f();
  15.   return 0;
  16. }
  17.  
Success #stdin #stdout 0s 3460KB
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stdin
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Standard input is empty
stdout
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Hello World!
https://ideone.com/Rhz3rf
Advanced CPP: Constructors, destructor
Return Value Optimization
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
secret

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