rustc_type_ir::solve

Struct ExternalConstraintsData

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pub struct ExternalConstraintsData<I: Interner> {
    pub region_constraints: Vec<OutlivesPredicate<I, I::GenericArg>>,
    pub opaque_types: Vec<(OpaqueTypeKey<I>, I::Ty)>,
    pub normalization_nested_goals: NestedNormalizationGoals<I>,
}
Expand description

Additional constraints returned on success.

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§region_constraints: Vec<OutlivesPredicate<I, I::GenericArg>>§opaque_types: Vec<(OpaqueTypeKey<I>, I::Ty)>§normalization_nested_goals: NestedNormalizationGoals<I>

Trait Implementations§

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impl<I> Clone for ExternalConstraintsData<I>
where I: Interner,

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<I> Debug for ExternalConstraintsData<I>
where I: Interner,

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

Formats the value using the given formatter. Read more
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impl<I> Default for ExternalConstraintsData<I>
where I: Interner,

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<I> Hash for ExternalConstraintsData<I>
where I: Interner,

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<I: Interner, __CTX> HashStable<__CTX> for ExternalConstraintsData<I>
where Vec<OutlivesPredicate<I, I::GenericArg>>: HashStable<__CTX>, Vec<(OpaqueTypeKey<I>, I::Ty)>: HashStable<__CTX>, NestedNormalizationGoals<I>: HashStable<__CTX>,

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fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

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impl<I> PartialEq for ExternalConstraintsData<I>
where I: Interner,

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fn eq(&self, __other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<I> TypeFoldable<I> for ExternalConstraintsData<I>
where I: Interner, Vec<OutlivesPredicate<I, I::GenericArg>>: TypeFoldable<I>, Vec<(OpaqueTypeKey<I>, I::Ty)>: TypeFoldable<I>, NestedNormalizationGoals<I>: TypeFoldable<I>,

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fn try_fold_with<__F: FallibleTypeFolder<I>>( self, __folder: &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). Read more
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fn fold_with<F: TypeFolder<I>>(self, folder: &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.
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impl<I> TypeVisitable<I> for ExternalConstraintsData<I>
where I: Interner, Vec<OutlivesPredicate<I, I::GenericArg>>: TypeVisitable<I>, Vec<(OpaqueTypeKey<I>, I::Ty)>: TypeVisitable<I>, NestedNormalizationGoals<I>: TypeVisitable<I>,

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fn visit_with<__V: TypeVisitor<I>>(&self, __visitor: &mut __V) -> __V::Result

The entry point for visiting. To visit a value t with a visitor v call: t.visit_with(v). Read more
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impl<I> Eq for ExternalConstraintsData<I>
where I: Interner,

Auto Trait Implementations§

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impl<I> Freeze for ExternalConstraintsData<I>

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impl<I> RefUnwindSafe for ExternalConstraintsData<I>
where <I as Interner>::GenericArg: RefUnwindSafe, <I as Interner>::Region: RefUnwindSafe, <I as Interner>::Ty: RefUnwindSafe, <I as Interner>::LocalDefId: RefUnwindSafe, <I as Interner>::GenericArgs: RefUnwindSafe, <I as Interner>::ParamEnv: RefUnwindSafe, <I as Interner>::Predicate: RefUnwindSafe,

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impl<I> Send for ExternalConstraintsData<I>
where <I as Interner>::GenericArg: Send, <I as Interner>::Region: Send, <I as Interner>::Ty: Send, <I as Interner>::LocalDefId: Send, <I as Interner>::GenericArgs: Send, <I as Interner>::ParamEnv: Send, <I as Interner>::Predicate: Send,

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impl<I> Sync for ExternalConstraintsData<I>
where <I as Interner>::GenericArg: Sync, <I as Interner>::Region: Sync, <I as Interner>::Ty: Sync, <I as Interner>::LocalDefId: Sync, <I as Interner>::GenericArgs: Sync, <I as Interner>::ParamEnv: Sync, <I as Interner>::Predicate: Sync,

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impl<I> Unpin for ExternalConstraintsData<I>
where <I as Interner>::GenericArg: Unpin, <I as Interner>::Region: Unpin, <I as Interner>::Ty: Unpin, <I as Interner>::LocalDefId: Unpin, <I as Interner>::GenericArgs: Unpin, <I as Interner>::ParamEnv: Unpin, <I as Interner>::Predicate: Unpin,

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impl<I> UnwindSafe for ExternalConstraintsData<I>
where <I as Interner>::GenericArg: UnwindSafe, <I as Interner>::Region: UnwindSafe, <I as Interner>::Ty: UnwindSafe, <I as Interner>::LocalDefId: UnwindSafe, <I as Interner>::GenericArgs: UnwindSafe, <I as Interner>::ParamEnv: UnwindSafe, <I as Interner>::Predicate: UnwindSafe,

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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> TypeVisitableExt<I> for T
where I: Interner, T: TypeVisitable<I>,

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_vars_bound_at_or_above(&self, binder: DebruijnIndex) -> bool

Returns true if self has any late-bound regions that are either bound by binder or bound by some binder outside of binder. If binder is ty::INNERMOST, this indicates whether there are any late-bound regions that appear free.
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fn error_reported(&self) -> Result<(), <I as Interner>::ErrorGuaranteed>

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fn has_vars_bound_above(&self, binder: DebruijnIndex) -> bool

Returns true if this type has any regions that escape binder (and hence are not bound by it).
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fn has_escaping_bound_vars(&self) -> bool

Return true if this type has regions that are not a part of the type. For example, for<'a> fn(&'a i32) return false, while fn(&'a i32) would return true. The latter can occur when traversing through the former. Read more
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fn has_aliases(&self) -> bool

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fn has_opaque_types(&self) -> bool

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fn has_coroutines(&self) -> bool

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fn references_error(&self) -> bool

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fn has_non_region_param(&self) -> bool

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fn has_infer_regions(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn has_non_region_infer(&self) -> bool

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fn has_infer(&self) -> bool

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fn has_placeholders(&self) -> bool

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fn has_non_region_placeholders(&self) -> bool

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fn has_param(&self) -> bool

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fn has_free_regions(&self) -> bool

“Free” regions in this context means that it has any region that is not (a) erased or (b) late-bound.
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fn has_erased_regions(&self) -> bool

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fn has_erasable_regions(&self) -> bool

True if there are any un-erased free regions.
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fn is_global(&self) -> bool

Indicates whether this value references only ‘global’ generic parameters that are the same regardless of what fn we are in. This is used for caching.
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fn has_bound_regions(&self) -> bool

True if there are any late-bound regions
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fn has_non_region_bound_vars(&self) -> bool

True if there are any late-bound non-region variables
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fn has_bound_vars(&self) -> bool

True if there are any bound variables
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fn still_further_specializable(&self) -> bool

Indicates whether this value still has parameters/placeholders/inference variables which could be replaced later, in a way that would change the results of impl specialization.
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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<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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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: 72 bytes