rustc_middle::ty::lang_items

Enum TraitSolverLangItem

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pub enum TraitSolverLangItem {

Show 43 variants    AsyncDestruct,
    AsyncFn,
    AsyncFnKindHelper,
    AsyncFnKindUpvars,
    AsyncFnMut,
    AsyncFnOnce,
    AsyncFnOnceOutput,
    AsyncIterator,
    CallOnceFuture,
    CallRefFuture,
    Clone,
    Copy,
    Coroutine,
    CoroutineReturn,
    CoroutineYield,
    Destruct,
    DiscriminantKind,
    DynMetadata,
    EffectsCompat,
    EffectsIntersection,
    EffectsIntersectionOutput,
    EffectsMaybe,
    EffectsNoRuntime,
    EffectsRuntime,
    EffectsTyCompat,
    Fn,
    FnMut,
    FnOnce,
    FnPtrTrait,
    FusedIterator,
    Future,
    FutureOutput,
    Iterator,
    Metadata,
    Option,
    PointeeTrait,
    PointerLike,
    Poll,
    Sized,
    TransmuteTrait,
    Tuple,
    Unpin,
    Unsize,

}
Expand description

Lang items used by the new trait solver. This can be mapped to whatever internal representation of LangItems used in the underlying compiler implementation.

Variants§

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AsyncDestruct

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AsyncFn

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AsyncFnKindHelper

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AsyncFnKindUpvars

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AsyncFnMut

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AsyncFnOnce

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AsyncFnOnceOutput

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AsyncIterator

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CallOnceFuture

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CallRefFuture

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Clone

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Copy

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Coroutine

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CoroutineReturn

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CoroutineYield

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Destruct

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DiscriminantKind

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DynMetadata

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EffectsCompat

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EffectsIntersection

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EffectsIntersectionOutput

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EffectsMaybe

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EffectsNoRuntime

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EffectsRuntime

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EffectsTyCompat

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Fn

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FnMut

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FnOnce

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FnPtrTrait

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FusedIterator

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Future

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FutureOutput

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Iterator

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Metadata

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Option

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PointeeTrait

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PointerLike

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Poll

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Sized

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TransmuteTrait

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Tuple

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Unpin

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Unsize

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
where I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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impl<T> Filterable for T

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

Creates a filterable data provider with the given name for debugging. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<P> IntoQueryParam<P> for P

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fn into_query_param(self) -> P

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impl<T> MaybeResult<T> for T

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type Error = !

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fn from(_: Result<T, <T as MaybeResult<T>>::Error>) -> T

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fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<I, T, U> Upcast<I, U> for T
where U: UpcastFrom<I, T>,

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fn upcast(self, interner: I) -> U

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impl<I, T> UpcastFrom<I, T> for T

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fn upcast_from(from: T, _tcx: I) -> T

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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<Tcx, T> Value<Tcx> for T
where Tcx: DepContext,

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default fn from_cycle_error( tcx: Tcx, cycle_error: &CycleError, _guar: ErrorGuaranteed, ) -> T

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<'a, T> Captures<'a> for T
where T: ?Sized,

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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T

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: 1 byte

Size for each variant:

  • AsyncDestruct: 0 bytes
  • AsyncFn: 0 bytes
  • AsyncFnKindHelper: 0 bytes
  • AsyncFnKindUpvars: 0 bytes
  • AsyncFnMut: 0 bytes
  • AsyncFnOnce: 0 bytes
  • AsyncFnOnceOutput: 0 bytes
  • AsyncIterator: 0 bytes
  • CallOnceFuture: 0 bytes
  • CallRefFuture: 0 bytes
  • Clone: 0 bytes
  • Copy: 0 bytes
  • Coroutine: 0 bytes
  • CoroutineReturn: 0 bytes
  • CoroutineYield: 0 bytes
  • Destruct: 0 bytes
  • DiscriminantKind: 0 bytes
  • DynMetadata: 0 bytes
  • EffectsCompat: 0 bytes
  • EffectsIntersection: 0 bytes
  • EffectsIntersectionOutput: 0 bytes
  • EffectsMaybe: 0 bytes
  • EffectsNoRuntime: 0 bytes
  • EffectsRuntime: 0 bytes
  • EffectsTyCompat: 0 bytes
  • Fn: 0 bytes
  • FnMut: 0 bytes
  • FnOnce: 0 bytes
  • FnPtrTrait: 0 bytes
  • FusedIterator: 0 bytes
  • Future: 0 bytes
  • FutureOutput: 0 bytes
  • Iterator: 0 bytes
  • Metadata: 0 bytes
  • Option: 0 bytes
  • PointeeTrait: 0 bytes
  • PointerLike: 0 bytes
  • Poll: 0 bytes
  • Sized: 0 bytes
  • TransmuteTrait: 0 bytes
  • Tuple: 0 bytes
  • Unpin: 0 bytes
  • Unsize: 0 bytes