foyer_common::tracing

Struct InRootSpan

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pub struct InRootSpan<F> { /* private fields */ }
Expand description

InRootSpan provides similar features like fastrace::future::InSpan with more controls.

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impl<F> InRootSpan<F>

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pub fn new(inner: F, root: Span) -> Self
where F: Future,

Create a traced future with the given root span.

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pub fn with_threshold(self, threshold: Duration) -> Self

Set record threshold for the root span.

If the duration of the root span is lower than the threshold, the root span will not be recorded.

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impl<F> Deref for InRootSpan<F>

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type Target = F

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<F> Future for InRootSpan<F>
where F: Future,

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type Output = <F as Future>::Output

The type of value produced on completion.
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fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more
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impl<'pin, F> Unpin for InRootSpan<F>
where PinnedFieldsOf<__InRootSpan<'pin, F>>: Unpin,

Auto Trait Implementations§

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impl<F> Freeze for InRootSpan<F>
where F: Freeze,

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impl<F> RefUnwindSafe for InRootSpan<F>
where F: RefUnwindSafe,

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impl<F> Send for InRootSpan<F>
where F: Send,

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impl<F> Sync for InRootSpan<F>
where F: Sync,

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impl<F> UnwindSafe for InRootSpan<F>
where F: 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> FutureExt for T
where T: Future,

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fn in_span(self, span: Span) -> InSpan<Self>

Binds a Span to the Future that continues to record until the future is dropped. Read more
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fn enter_on_poll(self, name: impl Into<Cow<'static, str>>) -> EnterOnPoll<Self>

Starts a LocalSpan at every Future::poll(). If the future gets polled multiple times, it will create multiple short spans. 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<F> IntoFuture for F
where F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> Scope for T

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fn with<F, R>(self, f: F) -> R
where Self: Sized, F: FnOnce(Self) -> R,

Scoped with ownership.
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fn with_ref<F, R>(&self, f: F) -> R
where F: FnOnce(&Self) -> R,

Scoped with reference.
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fn with_mut<F, R>(&mut self, f: F) -> R
where F: FnOnce(&mut Self) -> R,

Scoped with mutable reference.
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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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> Value for T
where T: Send + Sync + 'static,