pub type ProvidedValue<'tcx> = Span;
Expand description

This type alias specifies the type returned from query providers and the type used for decoding. For regular queries this is the declared returned type V, but arena_cache will use <V as Deref>::Target instead.

Aliased Type§

struct ProvidedValue<'tcx> {
    lo_or_index: u32,
    len_with_tag_or_marker: u16,
    ctxt_or_parent_or_marker: u16,
}

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§lo_or_index: u32§len_with_tag_or_marker: u16§ctxt_or_parent_or_marker: u16

Trait Implementations§

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impl<'a, 'tcx> Decodable<CacheDecoder<'a, 'tcx>> for Span

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

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impl<'a, 'tcx> Encodable<CacheEncoder<'a, 'tcx>> for Span

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fn encode(&self, s: &mut CacheEncoder<'a, 'tcx>)

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impl EraseType for Span

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type Result = [u8; 8]

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impl ParameterizedOverTcx for Span

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type Value<'tcx> = Span

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impl<'tcx, D: TyDecoder<I = TyCtxt<'tcx>>> RefDecodable<'tcx, D> for Span

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impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for Span

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fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( self, _: &mut F ) -> Result<Self, F::Error>

The entry point for folding. To fold a value t with a folder f call: t.try_fold_with(f). Read more
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fn fold_with<F: TypeFolder<TyCtxt<'tcx>>>(self, _: &mut F) -> Self

A convenient alternative to try_fold_with for use with infallible folders. Do not override this method, to ensure coherence with try_fold_with.
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impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for Span

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fn visit_with<F: TypeVisitor<TyCtxt<'tcx>>>( &self, _: &mut F ) -> ControlFlow<F::BreakTy>

The entry point for visiting. To visit a value t with a visitor v call: t.visit_with(v). Read more

Layout§

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:8 bytes