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  1. #include <iostream>
  2. #include <memory>
  3.  
  4. struct A {
  5.   const char* name;
  6.   A( const char* name_ ):name(name_) { std::cout << "created " << name << "\n"; }
  7.   //A(A const&){ std::cout << "copied " << name << "\n"; }
  8.   A(const A &&){ std::cout << "moved " << name << "\n"; }
  9.   ~A() { std::cout << "dtor " << name << "\n"; }
  10. };
  11.  
  12. A f() {
  13.   std::cout << "start of f()\n";
  14.   const A r("bob");
  15.   std::cout << "body of f()\n";
  16.   return r;
  17. }
  18.  
  19. /*
  20. std::unique_ptr<A> g() {
  21.   const auto r = std::make_unique<A>("bill");
  22.   return r;
  23. }
  24. */
  25.  
  26. int main() {
  27.   A x = f();
  28.   //std::unique_ptr<A> y = g();
  29. }
Success #stdin #stdout 0.01s 5308KB
comments (?)
stdin
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Standard input is empty
stdout
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start of f()
created bob
body of f()
dtor bob
https://ideone.com/NxIzdL
language:
C++14 (gcc 8.3)
created:
11 days ago
visibility:
public

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