Enum BoundRegionKind

pub enum BoundRegionKind {
    BrAnon,
    BrNamed(DefId, Symbol),
    BrEnv,
}

Variants

BrAnon

An anonymous region parameter for a given fn (&T)

BrNamed(DefId, Symbol)

Named region parameters for functions (a in &’a T)

The DefId is needed to distinguish free regions in the event of shadowing.

BrEnv

Anonymous region for the implicit env pointer parameter to a closure

Implementations

impl BoundRegionKind

pub fn is_named(&self) -> bool

pub fn get_name(&self) -> Option<Symbol>

pub fn get_id(&self) -> Option<DefId>

Trait Implementations

impl Clone for BoundRegionKind

fn clone(&self) -> BoundRegionKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for BoundRegionKind

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

Formats the value using the given formatter.

impl<__D: TyDecoder> Decodable<__D> for BoundRegionKind

fn decode(__decoder: &mut __D) -> Self

impl<__E: TyEncoder> Encodable<__E> for BoundRegionKind

fn encode(&self, __encoder: &mut __E)

impl Hash for BoundRegionKind

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<'__ctx> HashStable<StableHashingContext<'__ctx>> for BoundRegionKind

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

impl PartialEq for BoundRegionKind

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

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

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

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).

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.

impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for BoundRegionKind

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

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

impl Copy for BoundRegionKind

impl Eq for BoundRegionKind

impl StructuralPartialEq for BoundRegionKind

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: 12 bytes

Size for each variant:

• BrAnon: 0 bytes
• BrNamed: 12 bytes
• BrEnv: 0 bytes