Okay, so you were talking about it from the POV of the caller, not the function. In that case, you meant "at most", not "at least". That is: >while an &'a retu

Okay, so you were talking about it from the POV of the caller, not the function. In that case, you meant "at most", not "at least". That is: >while an &'a returned borrow means "something that lives at most up to 'a, but might live less".