Struct tracing::field::Empty [−][src]
pub struct Empty;Expand description
An empty field.
This can be used to indicate that the value of a field is not currently present but will be recorded later.
When a field’s value is Empty. it will not be recorded.
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for Empty
impl UnwindSafe for Empty
Blanket Implementations
Mutably borrows from an owned value. Read more
fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T: Future> Future for Instrumented<T> type Output = T::Output;
fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T: Future> Future for Instrumented<T> type Output = T::Output;
Notable traits for Instrumented<T>
impl<T: Future> Future for Instrumented<T> type Output = T::Output;fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T: Future> Future for Instrumented<T> type Output = T::Output;
fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T: Future> Future for Instrumented<T> type Output = T::Output;
Notable traits for Instrumented<T>
impl<T: Future> Future for Instrumented<T> type Output = T::Output;fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T: Future> Future for WithDispatch<T> type Output = T::Output; where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T: Future> Future for WithDispatch<T> type Output = T::Output; where
S: Into<Dispatch>,
Notable traits for WithDispatch<T>
impl<T: Future> Future for WithDispatch<T> type Output = T::Output;Attaches the provided Subscriber to this type, returning a
WithDispatch wrapper. Read more
fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T: Future> Future for WithDispatch<T> type Output = T::Output;
fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T: Future> Future for WithDispatch<T> type Output = T::Output;
Notable traits for WithDispatch<T>
impl<T: Future> Future for WithDispatch<T> type Output = T::Output;Attaches the current default Subscriber to this type, returning a
WithDispatch wrapper. Read more