tracing_timing

Struct LayerDowncaster

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pub struct LayerDowncaster<S, E> { /* private fields */ }
Expand description

A convenience type for getting access to TimingLayer through a Dispatch.

See TimingLayer::downcaster.

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impl<S, E> Downcaster<S, E>
where S: SpanGroup + 'static, E: EventGroup + 'static, S::Id: Clone + Hash + Eq + 'static, E::Id: Clone + Hash + Eq + 'static,

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pub fn downcast<'a>(&self, d: &'a Dispatch) -> Option<&'a TimingLayer<S, E>>

Retrieve a reference to this ident’s original TimingLayer.

This method returns None if the given Dispatch is not holding a layer of the same type as this ident was created from.

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impl<S, E> Clone for Downcaster<S, E>

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fn clone(&self) -> Self

Returns a duplicate 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<S: Debug, E: Debug> Debug for Downcaster<S, E>

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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<S: Copy, E: Copy> Copy for Downcaster<S, E>

Auto Trait Implementations§

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impl<S, E> Freeze for Downcaster<S, E>

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impl<S, E> RefUnwindSafe for Downcaster<S, E>

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impl<S, E> Send for Downcaster<S, E>

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impl<S, E> Sync for Downcaster<S, E>

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impl<S, E> Unpin for Downcaster<S, E>

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impl<S, E> UnwindSafe for Downcaster<S, E>

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, dest: *mut u8)

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

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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.