pub struct Presence<T: ?Sized>(/* private fields */);
Implementations§
Trait Implementations§
impl<T: Eq + ?Sized> Eq for Presence<T>
impl<T: ?Sized> StructuralPartialEq for Presence<T>
Auto Trait Implementations§
impl<T> Freeze for Presence<T>where
T: ?Sized,
impl<T> RefUnwindSafe for Presence<T>where
T: RefUnwindSafe + ?Sized,
impl<T> Send for Presence<T>
impl<T> Sync for Presence<T>
impl<T> Unpin for Presence<T>
impl<T> UnwindSafe for Presence<T>where
T: UnwindSafe + ?Sized,
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