pub struct Guard(/* private fields */);
Expand description
Guard backed by a counter incrementing on its creation and decrementing on
Drop
ping.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for Guard
impl !RefUnwindSafe for Guard
impl !Send for Guard
impl !Sync for Guard
impl Unpin for Guard
impl !UnwindSafe for Guard
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