Struct opentelemetry::trace::noop::NoopSpan

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pub struct NoopSpan { /* private fields */ }
Expand description

A no-op instance of a Span.

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impl NoopSpan

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pub const DEFAULT: NoopSpan = _

The default NoopSpan, as a constant

Trait Implementations§

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impl Clone for NoopSpan

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fn clone(&self) -> NoopSpan

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for NoopSpan

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Span for NoopSpan

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fn add_event<T>(&mut self, _name: T, _attributes: Vec<KeyValue>)
where T: Into<Cow<'static, str>>,

Ignores all events

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fn add_event_with_timestamp<T>( &mut self, _name: T, _timestamp: SystemTime, _attributes: Vec<KeyValue>, )
where T: Into<Cow<'static, str>>,

Ignores all events with timestamps

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fn span_context(&self) -> &SpanContext

Returns an invalid SpanContext.

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fn is_recording(&self) -> bool

Returns false, signifying that this span is never recording.

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fn set_attribute(&mut self, _attribute: KeyValue)

Ignores all attributes

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fn set_status(&mut self, _status: Status)

Ignores status

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fn update_name<T>(&mut self, _new_name: T)
where T: Into<Cow<'static, str>>,

Ignores name updates

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fn end_with_timestamp(&mut self, _timestamp: SystemTime)

Ignores Span endings

Adds Link to another SpanContext. Read more
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fn record_error(&mut self, err: &dyn Error)

Record an error as an event for this span. Read more
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fn set_attributes(&mut self, attributes: impl IntoIterator<Item = KeyValue>)

Set multiple attributes of this span. Read more
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fn end(&mut self)

Signals that the operation described by this span has now ended.

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext 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> ObjectSafeSpan for T
where T: Span,

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fn add_event_with_timestamp( &mut self, name: Cow<'static, str>, timestamp: SystemTime, attributes: Vec<KeyValue>, )

An API to record events at a specific time in the context of a given Span. Read more
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fn span_context(&self) -> &SpanContext

Returns the SpanContext for the given Span. The returned value may be used even after the Span is finished. The returned value MUST be the same for the entire Span` lifetime.
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fn is_recording(&self) -> bool

Returns true if this Span is recording information like events with the add_event operation, attributes using set_attributes, status with set_status, etc. Read more
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fn set_attribute(&mut self, attribute: KeyValue)

An API to set a single Attribute where the attribute properties are passed as arguments. To avoid extra allocations some implementations may offer a separate API for each of the possible value types. Read more
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fn set_status(&mut self, status: Status)

Sets the status of the Span. message MUST be ignored when the status is OK or Unset. Read more
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fn update_name(&mut self, new_name: Cow<'static, str>)

Updates the Span’s name. After this update, any sampling behavior based on the name will depend on the implementation. Read more
Adds a link to this span
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fn end_with_timestamp(&mut self, timestamp: SystemTime)

Finishes the Span with given timestamp Read more
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fn end(&mut self)

Finishes the Span. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. 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.