Struct rustc::ty::VariantDef

pub struct VariantDef {
    pub did: DefId,
    pub name: Name,
    pub discr: VariantDiscr,
    pub fields: Vec<FieldDef>,
    pub ctor_kind: CtorKind,
}

🔬 This is a nightly-only experimental API. (rustc_private)

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Fields

did: DefId

🔬 This is a nightly-only experimental API. (rustc_private)

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The variant's DefId. If this is a tuple-like struct, this is the DefId of the struct's ctor.

name: Name

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

discr: VariantDiscr

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

fields: Vec<FieldDef>

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

ctor_kind: CtorKind

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Methods

impl<'a, 'gcx, 'tcx> VariantDef

fn uninhabited_from(     &self,     visited: &mut FxHashMap<DefId, FxHashSet<&'tcx Substs<'tcx>>>,     tcx: TyCtxt<'a, 'gcx, 'tcx>,     substs: &'tcx Substs<'tcx>,     adt_kind: AdtKind ) -> DefIdForest

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Calculate the forest of DefIds from which this variant is visibly uninhabited.

Trait Implementations

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

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

🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

impl Debug for VariantDef

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

Formats the value using the given formatter.