4 ms·

It used to, they got subtler. See https://stackoverflow.com/questions/50251487/what-are-non-lexical-lifetimes https://stackoverflow.com/questions/50251487/what-

• Rusky 7y ago
  NLL does not change those semantics; drop still runs at the end of the scope. It counts as a "use" for the purposes of NLL and thus keeps values with destructors alive.
  • steveklabnik 7y ago
    For some history, it was talked about changing this, but we couldn’t, due to back compatibility and it wasn’t clear it was actually a good idea. This was called “wary drop”.
    • likeliv 7y ago
      Would be nice if types could annotate their Drop trait with #[early_drop] if the drop has no visible side effect, do rust could free the memory earlier.
    • steveklabnik 7y ago
      “Early drop”, thanks autocorrect.