tracing_distributed

Struct BlackholeTelemetry

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pub struct BlackholeTelemetry<S, T>(/* private fields */);
Expand description

Telemetry implementation that does not publish information to any backend. For use in tests.

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impl<S, T> Default for BlackholeTelemetry<S, T>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<SpanId, TraceId> Telemetry for BlackholeTelemetry<SpanId, TraceId>
where SpanId: 'static + Clone + Send + Sync, TraceId: 'static + Clone + Send + Sync,

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type Visitor = BlackholeVisitor

Type used to record tracing fields.
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type TraceId = TraceId

Globally unique identifier, uniquely identifies a trace.
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type SpanId = SpanId

Identifies spans within a trace.
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fn mk_visitor(&self) -> Self::Visitor

Initialize a visitor, used to record values from spans and events as they are observed
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fn report_span(&self, _: Span<Self::Visitor, Self::SpanId, Self::TraceId>)

Report a Span to this Telemetry instance’s backend.
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fn report_event(&self, _: Event<Self::Visitor, Self::SpanId, Self::TraceId>)

Report an Event to this Telemetry instance’s backend.

Auto Trait Implementations§

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impl<S, T> Freeze for BlackholeTelemetry<S, T>

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impl<S, T> RefUnwindSafe for BlackholeTelemetry<S, T>
where S: RefUnwindSafe, T: RefUnwindSafe,

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impl<S, T> Send for BlackholeTelemetry<S, T>
where S: Send, T: Send,

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impl<S, T> Sync for BlackholeTelemetry<S, T>
where S: Sync, T: Sync,

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impl<S, T> Unpin for BlackholeTelemetry<S, T>
where S: Unpin, T: Unpin,

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impl<S, T> UnwindSafe for BlackholeTelemetry<S, T>
where S: UnwindSafe, T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more