Struct TransientInstance

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pub struct TransientInstance<T> { /* private fields */ }
Expand description

Pass a reference to an instance to a turbo-tasks function.

Equality and hash is implemented as pointer comparison.

Doesn’t require serialization, and won’t be stored in the persistent cache in the future, so we don’t include the ValueTypeId in the SharedReference.

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impl<T: Send + Sync + 'static> TransientInstance<T>

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pub fn new(value: T) -> Self

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impl<T> Clone for TransientInstance<T>

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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<T> Debug for TransientInstance<T>

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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<T: 'static> Deref for TransientInstance<T>

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type Target = T

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

Dereferences the value.
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impl<'de, T> Deserialize<'de> for TransientInstance<T>

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fn deserialize<D>(_deserializer: D) -> Result<Self, D::Error>
where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<T: Send + Sync + 'static> From<Arc<T>> for TransientInstance<T>

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fn from(arc: Arc<T>) -> Self

Converts to this type from the input type.
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impl<T: Send + Sync + 'static> From<TransientInstance<T>> for Arc<T>

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fn from(instance: TransientInstance<T>) -> Self

Converts to this type from the input type.
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impl<T: Send + Sync + 'static> From<TransientInstance<T>> for SharedReference

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fn from(instance: TransientInstance<T>) -> Self

Converts to this type from the input type.
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impl<T> Hash for TransientInstance<T>

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<T> PartialEq for TransientInstance<T>

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fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<T> Serialize for TransientInstance<T>

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fn serialize<S>(&self, _serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl<T> TaskInput for TransientInstance<T>
where T: Sync + Send + TraceRawVcs + 'static,

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fn is_transient(&self) -> bool

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fn resolve_input(&self) -> impl Future<Output = Result<Self>> + Send + '_

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fn is_resolved(&self) -> bool

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impl<T: TraceRawVcs + 'static> TraceRawVcs for TransientInstance<T>

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fn trace_raw_vcs(&self, trace_context: &mut TraceRawVcsContext)

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fn get_raw_vcs(&self) -> Vec<RawVc>

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impl<T: Send + Sync + 'static> TryFrom<SharedReference> for TransientInstance<T>

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type Error = ()

The type returned in the event of a conversion error.
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fn try_from(inner: SharedReference) -> Result<Self, Self::Error>

Performs the conversion.
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impl<T> Eq for TransientInstance<T>

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impl<T: NonLocalValue> NonLocalValue for TransientInstance<T>

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impl<T: OperationValue> OperationValue for TransientInstance<T>

Auto Trait Implementations§

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impl<T> Freeze for TransientInstance<T>

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impl<T> !RefUnwindSafe for TransientInstance<T>

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impl<T> Send for TransientInstance<T>
where T: Send,

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impl<T> Sync for TransientInstance<T>
where T: Sync,

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impl<T> !Unpin for TransientInstance<T>

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impl<T> !UnwindSafe for TransientInstance<T>

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> Any for T
where T: Any,

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fn get_type_id(&self) -> TypeId

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impl<T> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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> DynHash for T
where T: Any + Hash,

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fn dyn_hash(&self, state: &mut dyn Hasher)

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impl<T> DynPartialEq for T
where T: Any + PartialEq,

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fn dyn_partial_eq(&self, other: &(dyn Any + 'static)) -> bool

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T> MagicAny for T
where T: Debug + Eq + Hash + Send + Sync + TraceRawVcs + 'static,

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fn magic_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

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

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fn magic_trace_raw_vcs(&self, trace_context: &mut TraceRawVcsContext)

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fn magic_type_name(&self) -> &'static str

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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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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> Serialize for T
where T: Serialize + ?Sized,

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fn erased_serialize(&self, serializer: &mut dyn Serializer) -> Result<(), Error>

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fn do_erased_serialize( &self, serializer: &mut dyn Serializer, ) -> Result<(), ErrorImpl>

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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.
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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> 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
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<T> DynEq for T
where T: Any + Eq,