pub struct NoopMetadataSink;Expand description
Metadata sink that intentionally records nothing.
Trait Implementations§
Source§impl Clone for NoopMetadataSink
impl Clone for NoopMetadataSink
Source§fn clone(&self) -> NoopMetadataSink
fn clone(&self) -> NoopMetadataSink
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for NoopMetadataSink
impl Debug for NoopMetadataSink
Source§impl Default for NoopMetadataSink
impl Default for NoopMetadataSink
Source§fn default() -> NoopMetadataSink
fn default() -> NoopMetadataSink
Returns the “default value” for a type. Read more
Source§impl MetadataSink for NoopMetadataSink
impl MetadataSink for NoopMetadataSink
impl Copy for NoopMetadataSink
Auto Trait Implementations§
impl Freeze for NoopMetadataSink
impl RefUnwindSafe for NoopMetadataSink
impl Send for NoopMetadataSink
impl Sync for NoopMetadataSink
impl Unpin for NoopMetadataSink
impl UnsafeUnpin for NoopMetadataSink
impl UnwindSafe for NoopMetadataSink
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
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, _span: NoopSpan) -> Self
fn instrument(self, _span: NoopSpan) -> Self
Instruments this future with a span (no-op when disabled).
Source§fn in_current_span(self) -> Self
fn in_current_span(self) -> Self
Instruments this future with the current span (no-op when disabled).