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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. class MyClass {
  7. public:
  8.     MyClass() {
  9.         cout << "constructor" << endl;
  10.     }
  11.  
  12.     MyClass(MyClass&& c) {
  13.         cout << "move constructor" << endl;
  14.         data = 0;
  15.     }
  16.  
  17.     int data;
  18. };
  19.  
  20.  
  21. MyClass foo() {
  22.     MyClass c;
  23.     c.data = 99999;
  24.     return c;
  25. }
  26.  
  27. MyClass foo1(MyClass c) {
  28.     c.data = 50;
  29.     return c;
  30. }
  31.  
  32. int main(int argc, char *argv[])
  33. {
  34.     MyClass cl1 = foo(); //почему тут не вызывается move конструктор?
  35.     MyClass cl2 = foo1(MyClass());
  36.  
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
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Standard input is empty
stdout
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constructor
constructor
move constructor
https://ideone.com/TFMirB
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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