Enum rustc_middle::infer::unify_key::ConstVariableOriginKind

source ·

pub enum ConstVariableOriginKind {
    MiscVariable,
    ConstInference,
    ConstParameterDefinition(Symbol, DefId),
    SubstitutionPlaceholder,
}

Expand description

Reasons to create a const inference variable

Variants§

§

SubstitutionPlaceholder

Trait Implementations§

source §

impl Clone for ConstVariableOriginKind

source §

fn clone(&self) -> ConstVariableOriginKind

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

source §

impl Debug for ConstVariableOriginKind

source §

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

Formats the value using the given formatter. Read more

source §

impl Copy for ConstVariableOriginKind

Auto Trait Implementations§

§

impl RefUnwindSafe for ConstVariableOriginKind

§

impl Send for ConstVariableOriginKind

§

impl Sync for ConstVariableOriginKind

§

impl Unpin for ConstVariableOriginKind

§

impl UnwindSafe for ConstVariableOriginKind

Blanket Implementations§

source §

impl<T> Any for Twhere
T: 'static + ?Sized,

source §

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source §

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,

source §

fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

source §

fn allocate_from_iter<'a>(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T] ⓘ

source §

impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source §

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source§

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

Mutably borrows from an owned value. Read more

source §

impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

source §

impl<T, R> InternIteratorElement<T, R> for T

§

type Output = R

source §

fn intern_with<I, F>(iter: I, f: F) -> <T as InternIteratorElement<T, R>>::Outputwhere
I: Iterator<Item = T>,
F: FnOnce(&[T]) -> R,

source §

impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

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

source §

impl<T> MaybeResult<T> for T

§

type Error = !

source §

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

source §

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

source §

impl<T> ToOwned for Twhere
T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.

source §

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

source §

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

source §

impl<'tcx, T> ToPredicate<'tcx, T> for T

source §

fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> T

source §

impl<T, U> TryFrom for Twhere
U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source §

impl<T, U> TryInto for Twhere
U: TryFrom<T>,

§

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source§

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

source §

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

source §

default fn from_cycle_error(tcx: Tcx, _: &[QueryInfo]) -> 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: 12 bytes

Size for each variant:

MiscVariable: 0 bytes
ConstInference: 0 bytes
ConstParameterDefinition: 12 bytes
SubstitutionPlaceholder: 0 bytes

Enum rustc_middle::infer::unify_key::ConstVariableOriginKind

Variants§

MiscVariable

ConstInference

ConstParameterDefinition(Symbol, DefId)

SubstitutionPlaceholder

Trait Implementations§

impl Clone for ConstVariableOriginKind

fn clone(&self) -> ConstVariableOriginKind

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

impl Debug for ConstVariableOriginKind

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

impl Copy for ConstVariableOriginKind

Auto Trait Implementations§

impl RefUnwindSafe for ConstVariableOriginKind

impl Send for ConstVariableOriginKind

impl Sync for ConstVariableOriginKind

impl Unpin for ConstVariableOriginKind

impl UnwindSafe for ConstVariableOriginKind

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere T: Copy,

fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T>) -> &'a mut [T] ⓘ

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, R> InternIteratorElement<T, R> for T

type Output = R

fn intern_with<I, F>(iter: I, f: F) -> <T as InternIteratorElement<T, R>>::Outputwhere I: Iterator<Item = T>, F: FnOnce(&[T]) -> R,

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> MaybeResult<T> for T

type Error = !

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

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

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<'tcx, T> ToPredicate<'tcx, T> for T

fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> T

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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

default fn from_cycle_error(tcx: Tcx, _: &[QueryInfo]) -> T

Layout§

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere
T: Copy,

fn allocate_from_iter<'a>(
arena: &'a Arena<'tcx>,
iter: impl IntoIterator<Item = T>
) -> &'a mut [T] ⓘ

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

fn intern_with<I, F>(iter: I, f: F) -> <T as InternIteratorElement<T, R>>::Outputwhere
I: Iterator<Item = T>,
F: FnOnce(&[T]) -> R,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T> ToOwned for Twhere
T: Clone,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

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