[−][src]Struct tracing::span::Record
A set of fields recorded by a span.
Implementations
impl<'a> Record<'a>
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pub fn new(values: &'a ValueSet<'a>) -> Record<'a>
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Constructs a new Record
from a ValueSet
.
pub fn record(&self, visitor: &mut dyn Visit)
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Records all the fields in this Record
with the provided Visitor.
pub fn contains(&self, field: &Field) -> bool
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Returns true
if this Record
contains a value for the given Field
.
pub fn is_empty(&self) -> bool
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Returns true if this Record
contains no values.
Trait Implementations
Auto Trait Implementations
impl<'a> !RefUnwindSafe for Record<'a>
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impl<'a> !Send for Record<'a>
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impl<'a> !Sync for Record<'a>
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impl<'a> Unpin for Record<'a>
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impl<'a> !UnwindSafe for Record<'a>
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T> Instrument for T
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fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>
impl<T: Future> Future for Instrumented<T> type Output = T::Output;
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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;
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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>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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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>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,