[][src]Struct rustc::ty::Const

pub struct Const<'tcx> {
    pub ty: Ty<'tcx>,
    pub val: ConstKind<'tcx>,
}
⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

Typed constant value.

Fields

ty: Ty<'tcx>
⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

val: ConstKind<'tcx>
⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

Methods

impl<'tcx> Const<'tcx>[src]

pub fn from_scalar(tcx: TyCtxt<'tcx>, val: Scalar, ty: Ty<'tcx>) -> &'tcx Self[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn from_bits(
    tcx: TyCtxt<'tcx>,
    bits: u128,
    ty: ParamEnvAnd<'tcx, Ty<'tcx>>
) -> &'tcx Self
[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn zero_sized(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> &'tcx Self[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn from_bool(tcx: TyCtxt<'tcx>, v: bool) -> &'tcx Self[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn from_usize(tcx: TyCtxt<'tcx>, n: u64) -> &'tcx Self[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn try_eval_bits(
    &self,
    tcx: TyCtxt<'tcx>,
    param_env: ParamEnv<'tcx>,
    ty: Ty<'tcx>
) -> Option<u128>
[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn eval(&self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> &Const<'tcx>[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn try_eval_bool(
    &self,
    tcx: TyCtxt<'tcx>,
    param_env: ParamEnv<'tcx>
) -> Option<bool>
[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn try_eval_usize(
    &self,
    tcx: TyCtxt<'tcx>,
    param_env: ParamEnv<'tcx>
) -> Option<u64>
[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn eval_bits(
    &self,
    tcx: TyCtxt<'tcx>,
    param_env: ParamEnv<'tcx>,
    ty: Ty<'tcx>
) -> u128
[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

pub fn eval_usize(&self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> u64[src]

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

Trait Implementations

impl<'tcx> Borrow<Const<'tcx>> for Interned<'tcx, Const<'tcx>>[src]

impl<'tcx> Clone for Const<'tcx>[src]

impl<'tcx> Copy for Const<'tcx>[src]

impl<'tcx> Debug for Const<'tcx>[src]

impl<'tcx> Decodable for Const<'tcx>[src]

impl<'tcx> Display for &'tcx Const<'tcx>[src]

impl<'tcx> Encodable for Const<'tcx>[src]

impl<'tcx> Eq for Const<'tcx>[src]

impl<'tcx> EqUnifyValue for &'tcx Const<'tcx>[src]

impl<'tcx> From<&'tcx Const<'tcx>> for GenericArg<'tcx>[src]

impl<'tcx> Hash for Const<'tcx>[src]

impl<'tcx, '__ctx> HashStable<StableHashingContext<'__ctx>> for Const<'tcx>[src]

impl<'tcx> Key for &'tcx Const<'tcx>[src]

impl<'a, 'tcx> Lift<'tcx> for &'a Const<'a>[src]

type Lifted = &'tcx Const<'tcx>

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

impl<'tcx> Ord for Const<'tcx>[src]

impl<'tcx> PartialEq<Const<'tcx>> for Const<'tcx>[src]

impl<'tcx> PartialOrd<Const<'tcx>> for Const<'tcx>[src]

impl<'tcx, P: Printer<'tcx>> Print<'tcx, P> for &'tcx Const<'tcx>[src]

type Output = P::Const

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

type Error = P::Error

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

impl<'tcx> Relate<'tcx> for &'tcx Const<'tcx>[src]

impl<'a, 'tcx> SpecializedDecoder<&'tcx Const<'tcx>> for CacheDecoder<'a, 'tcx>[src]

impl<'tcx> StructuralEq for Const<'tcx>[src]

impl<'tcx> StructuralPartialEq for Const<'tcx>[src]

impl<'tcx> ToTrace<'tcx> for &'tcx Const<'tcx>[src]

impl<'tcx> TypeFoldable<'tcx> for &'tcx Const<'tcx>[src]

impl<'tcx> UseSpecializedDecodable for &'tcx Const<'tcx>[src]

Auto Trait Implementations

impl<'tcx> !RefUnwindSafe for Const<'tcx>

impl<'tcx> !Send for Const<'tcx>

impl<'tcx> !Sync for Const<'tcx>

impl<'tcx> Unpin for Const<'tcx>

impl<'tcx> !UnwindSafe for Const<'tcx>

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> ArenaAllocatable for T where
    T: Copy
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<'a, T> Captures<'a> for T where
    T: ?Sized
[src]

impl<T> Decodable for T where
    T: UseSpecializedDecodable
[src]

impl<T> Encodable for T where
    T: UseSpecializedEncodable + ?Sized
[src]

impl<Q, K> Equivalent<K> for Q where
    K: Borrow<Q> + ?Sized,
    Q: Eq + ?Sized
[src]

impl<T> Erased for T[src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> MaybeResult<T> for T[src]

type Error = !

⚙️ This is an internal compiler API. (rustc_private)

This crate is being loaded from the sysroot, a permanently unstable location for private compiler dependencies. It is not intended for general use. Prefer using a public version of this crate from crates.io via Cargo.toml.

impl<E> SpecializationError for E[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> WithConstness for T[src]