Method complete

src/scope.rs:405–418

Waits for the scope to complete. # Safety The caller must ensure that this is called at most once.

(&self, worker: &Worker)

                    err_ptr,
                    Ordering::Release,
                    Ordering::Relaxed,
                )
                .is_err()
            {
                // Another panic raced in ahead of us, so we need to drop this
                // error. Dropping the payload may itself panic, but this will
                // trigger the abort guard instead of unwinding.
                //
                // SAFETY: This was created by `Box::into_raw` just above.
                let err = unsafe { Box::from_raw(err_ptr) };
                drop(err);
            }
        } else {
            // A panic is already stored, so this payload is dropped. Dropping
            // it may itself panic, but this will trigger the abort guard
            // instead of unwinding.
            drop(err);