pub(crate) struct NoMetrics;Expand description
A no-op Metrics implementation.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for NoMetrics
impl RefUnwindSafe for NoMetrics
impl Send for NoMetrics
impl Sync for NoMetrics
impl Unpin for NoMetrics
impl UnsafeUnpin for NoMetrics
impl UnwindSafe for NoMetrics
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