Struct tracing::field::Empty [−][src]
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
impl Debug for Empty[src]
impl Eq for Empty[src]
impl PartialEq<Empty> for Empty[src]
pub fn eq(&self, other: &Empty) -> bool[src]
#[must_use]pub fn ne(&self, other: &Rhs) -> bool1.0.0[src]
impl StructuralEq for Empty[src]
impl StructuralPartialEq for Empty[src]
impl Value for Empty[src]
Auto Trait Implementations
impl RefUnwindSafe for Empty
impl Send for Empty
impl Sync for Empty
impl Unpin for Empty
impl UnwindSafe for Empty
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized, [src]
T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T[src]
impl<T> From<T> for T[src]
impl<T> Instrument for T[src]
fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T: Future> Future for Instrumented<T> type Output = T::Output;[src]
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;[src]
Notable traits for Instrumented<T>
impl<T: Future> Future for Instrumented<T> type Output = T::Output;impl<T, U> Into<U> for T where
U: From<T>, [src]
U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>, [src]
U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T, U> TryInto<U> for T where
U: TryFrom<T>, [src]
U: TryFrom<T>,