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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Foo {
  5.     int* data;
  6. public:
  7.     Foo() : data(new int[1000]) {};
  8.  
  9.     Foo& operator= (Foo&){
  10.         cout << "Foo&" << endl;
  11.         return *this;
  12.     }
  13.  
  14.     Foo& operator= (Foo&& foo){
  15.         if (this == &foo) cout << "bad parameter";
  16.         cout << "Foo&&" << endl;
  17.         data = foo.data;
  18.         foo.data = 0;
  19.         return *this;
  20.     }
  21.  
  22.     ~Foo(){
  23.         delete[] data;
  24.     }
  25. };
  26.  
  27. int main(){
  28.     Foo foo1, foo2;
  29.     foo1 = Foo();
  30.  
  31.     Foo* ptr = &foo2;
  32.  
  33.     foo2 = foo2;
  34.  
  35.     foo2 = *(ptr+0);
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 3412KB
comments (?)
stdin
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Standard input is empty
stdout
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Foo&&
Foo&
Foo&
https://ideone.com/o9fqJ6
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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