pub struct oldValue;
Trait Implementations§
Auto Trait Implementations§
impl Freeze for oldValue
impl RefUnwindSafe for oldValue
impl Send for oldValue
impl Sync for oldValue
impl Unpin for oldValue
impl UnwindSafe for oldValue
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more