pub struct OPTIONAL { /* private fields */ }
Trait Implementations§
Auto Trait Implementations§
impl Freeze for OPTIONAL
impl RefUnwindSafe for OPTIONAL
impl Send for OPTIONAL
impl Sync for OPTIONAL
impl Unpin for OPTIONAL
impl UnwindSafe for OPTIONAL
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