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copy 
  1. #include <iostream>
  2. #include <memory>
  3. using namespace std;
  4.  
  5. class foo {
  6. public:
  7.     foo():a(new int()) { std::cout << "ctor" << std::endl; }
  8.     foo(const foo & x) { std::cout << "copy" << std::endl; }
  9.     foo(foo && x) { std::cout << "move" << std::endl; }
  10.     std::shared_ptr<int> a;
  11. };
  12.  
  13. int main() {
  14.     foo a;
  15.     foo b;
  16.     auto f = [a, b] () {cout<<!a.a<<endl; };
  17.     f();
  18.     auto f2(std::move(f));
  19.     f();
  20.     return 0;
  21. }
Success #stdin #stdout 0s 3276KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
ctor
ctor
copy
copy
1
move
move
1
https://ideone.com/hwSPZj
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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