struct LazyArray<T> {
    position: NonZero<usize>,
    num_elems: usize,
    _marker: PhantomData<fn() -> T>,
}
Expand description

A list of lazily-decoded values.

Unlike LazyValue<Vec<T>>, the length is encoded next to the position, not at the position, which means that the length doesn’t need to be known before encoding all the elements.

If the length is 0, no position is encoded, but otherwise, the encoding is that of LazyArray, with the distinction that the minimal distance the length of the sequence, i.e. it’s assumed there’s no 0-byte element in the sequence.

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§position: NonZero<usize>§num_elems: usize§_marker: PhantomData<fn() -> T>

Implementations§

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impl<T: ParameterizedOverTcx> LazyArray<T>

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fn decode<'a, 'tcx, M: Metadata<'a, 'tcx>>( self, metadata: M ) -> DecodeIterator<'a, 'tcx, T::Value<'tcx>>
where T::Value<'tcx>: Decodable<DecodeContext<'a, 'tcx>>,

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impl<T> LazyArray<T>

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fn write_to_bytes_impl(self, dest: &mut [u8; 16])

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fn from_bytes_impl(position: &[u8; 8], meta: &[u8; 8]) -> Option<LazyArray<T>>

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impl<T> LazyArray<T>

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impl<T> Clone for LazyArray<T>

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fn clone(&self) -> Self

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<'a, 'tcx, T> Decodable<DecodeContext<'a, 'tcx>> for LazyArray<T>

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fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self

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impl<T> Default for LazyArray<T>

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fn default() -> LazyArray<T>

Returns the “default value” for a type. Read more
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impl<'a, 'tcx, T> Encodable<EncodeContext<'a, 'tcx>> for LazyArray<T>

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fn encode(&self, e: &mut EncodeContext<'a, 'tcx>)

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impl<T> FixedSizeEncoding for LazyArray<T>

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type ByteArray = [u8; 16]

This should be [u8; BYTE_LEN]; Cannot use an associated const BYTE_LEN: usize instead due to const eval limitations.
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fn from_bytes(b: &[u8; 16]) -> Self

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fn write_to_bytes(self, b: &mut [u8; 16])

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impl<T> IsDefault for LazyArray<T>

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impl<T: ParameterizedOverTcx> ParameterizedOverTcx for LazyArray<T>

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type Value<'tcx> = LazyArray<<T as ParameterizedOverTcx>::Value<'tcx>>

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impl<T> Copy for LazyArray<T>

Auto Trait Implementations§

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impl<T> DynSend for LazyArray<T>

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impl<T> DynSync for LazyArray<T>

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impl<T> RefUnwindSafe for LazyArray<T>

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impl<T> Send for LazyArray<T>

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impl<T> Sync for LazyArray<T>

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impl<T> Unpin for LazyArray<T>

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impl<T> UnwindSafe for LazyArray<T>

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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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<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

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fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T> ) -> &'a mut [T]

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impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

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fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

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fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T> ) -> &'a mut [T]

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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, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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impl<T> Filterable for T

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fn filterable( self, filter_name: &'static str ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

Creates a filterable data provider with the given name for debugging. 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<P> IntoQueryParam<P> for P

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impl<T> MaybeResult<T> for T

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type Error = !

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fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

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fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

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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> Same for T

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type Output = T

Should always be Self
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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<'tcx, T> ToPredicate<'tcx, T> for T

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fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> T

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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<Tcx, T> Value<Tcx> for T
where Tcx: DepContext,

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default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed ) -> T

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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<'a, T> Captures<'a> for T
where T: ?Sized,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T
where T: Send + Sync,

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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 16 bytes