Method borrow_mut

aiscript-arena/src/lock.rs:279–281

(self, mc: &Mutation<'gc>)

    #[track_caller]
    #[inline]
    pub fn borrow_mut(self, mc: &Mutation<'gc>) -> RefMut<'gc, T> {
        self.unlock(mc).borrow_mut()
    }

    #[inline]
    pub fn try_borrow_mut(self, mc: &Mutation<'gc>) -> Result<RefMut<'gc, T>, BorrowMutError> {