Struct rustc::mir::UpvarDecl

pub struct UpvarDecl {
    pub debug_name: Name,
    pub by_ref: bool,
    pub mutability: Mutability,
}

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A closure capture, with its name and mode.

Fields

debug_name: Name

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by_ref: bool

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If true, the capture is behind a reference.

mutability: Mutability

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Trait Implementations

impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for UpvarDecl

fn hash_stable<W: StableHasherResult>(     &self,     __ctx: &mut StableHashingContext<'a>,     __hasher: &mut StableHasher<W> )

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impl Clone for UpvarDecl

fn clone(&self) -> UpvarDecl

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for UpvarDecl

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Encodable for UpvarDecl

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>

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impl Decodable for UpvarDecl

fn decode<__D: Decoder>(d: &mut __D) -> Result<UpvarDecl, __D::Error>

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impl<'tcx> TypeFoldable<'tcx> for UpvarDecl

fn super_fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(     &self,     _: &mut F ) -> UpvarDecl

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fn super_visit_with<F: TypeVisitor<'tcx>>(&self, _: &mut F) -> bool

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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(     &self,     folder: &mut F ) -> Self

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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn has_regions_escaping_depth(&self, depth: u32) -> bool

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fn has_escaping_regions(&self) -> bool

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_projections(&self) -> bool

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fn references_error(&self) -> bool

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fn has_param_types(&self) -> bool

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fn has_self_ty(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn needs_infer(&self) -> bool

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fn has_skol(&self) -> bool

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fn needs_subst(&self) -> bool

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fn has_re_skol(&self) -> bool

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fn has_closure_types(&self) -> bool

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fn has_free_regions(&self) -> bool

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"Free" regions in this context means that it has any region that is not (a) erased or (b) late-bound.

fn has_erasable_regions(&self) -> bool

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True if there any any un-erased free regions.

fn is_global(&self) -> bool

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Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Errs on the side of returning false.

impl<'tcx> Lift<'tcx> for UpvarDecl

type Lifted = Self

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fn lift_to_tcx<'a, 'gcx>(&self, _: TyCtxt<'a, 'gcx, 'tcx>) -> Option<Self>

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