pub struct NoValue;Trait Implementations§
Auto Trait Implementations§
impl Freeze for NoValue
impl RefUnwindSafe for NoValue
impl Send for NoValue
impl Sync for NoValue
impl Unpin for NoValue
impl UnwindSafe for NoValue
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