4 ms·

No, the return type can change as long as all return paths return the same value for the same function call. So you can't, in the same execution, return two dif

No, the return type can change as long as all return paths return the same value for the same function call. So you can't, in the same execution, return two different types, but two different executions can vary their return type as long as its consistent.

pyrois 12y ago
The point is that -1 is not a GUID, though, so in the sample function, if record::id changes to a GUID, the find_id function is now trying to return -1 (an integer) and ii->id (a GUID).
- ubercore 12y ago
  Right. Thanks for correcting me, I missed that.