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  1. #include <iostream>
  2. using namespace std;
  3. struct Thing {
  4.  Thing (int value) {
  5.   cout << "such an awesome " << value << endl;
  6.  }
  7. };
  8. union Union {
  9.  Union () {}
  10.  Thing thing;
  11. };
  12. int main (int, char **) {
  13.  Union u;
  14.  bool yes;
  15.  cin >> yes;
  16.  if (yes) {
  17.   new (&(u.thing)) Thing(42);
  18.  }
  19.  return 0;
  20. }
Success #stdin #stdout 0s 3100KB
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such an awesome 42
https://ideone.com/qsPaTA
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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