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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class A {
  5.   int a;
  6. public:
  7.     A(int _a) : a(_a) {}
  8.   friend int foo(A*);
  9. };
  10.  
  11. int foo(A* aa) {
  12.     auto function = [](A* a) {
  13.     	return a->a;
  14.     };
  15.     return function(aa);
  16. }
  17.  
  18. int main() {
  19. 	A a(123);
  20. 	cout << foo(&a) << endl;
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
stdout
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123
https://ideone.com/gSCbTC
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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