[−][src]Struct chalk_ir::TraitRef
A trait reference describes the relationship between a type and a trait. This can be used in two forms:
P0: Trait<P1..Pn>
(e.g.i32: Copy
), which mentions that the type implements the trait.<P0 as Trait<P1..Pn>>
(e.g.i32 as Copy
), which casts the type to that specific trait.
Fields
trait_id: TraitId<I>
The trait id.
substitution: Substitution<I>
The substitution, containing both the Self
type and the parameters.
Implementations
impl<I: Interner> TraitRef<I>
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pub fn with_as(&self) -> impl Debug + '_
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Returns a "Debuggable" type that prints like P0 as Trait<P1..>
.
pub fn with_colon(&self) -> impl Debug + '_
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Returns a "Debuggable" type that prints like P0: Trait<P1..>
.
impl<I: Interner> TraitRef<I>
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pub fn type_parameters<'a>(
&'a self,
interner: &'a I
) -> impl Iterator<Item = Ty<I>> + 'a
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&'a self,
interner: &'a I
) -> impl Iterator<Item = Ty<I>> + 'a
Gets all type parameters in this trait ref, including Self
.
pub fn self_type_parameter(&self, interner: &I) -> Ty<I>
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Gets the type parameters of the Self
type in this trait ref.
pub fn from_env(self) -> FromEnv<I>
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Construct a FromEnv
using this trait ref.
pub fn well_formed(self) -> WellFormed<I>
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Construct a WellFormed
using this trait ref.
Trait Implementations
impl<I: Interner> CastTo<TraitRef<I>> for TraitRef<I>
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impl<I: Interner> CastTo<WhereClause<I>> for TraitRef<I>
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fn cast_to(self, _interner: &I) -> WhereClause<I>
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impl<I: Clone + Interner> Clone for TraitRef<I>
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impl<I: Interner> Copy for TraitRef<I> where
I::InternedSubstitution: Copy,
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I::InternedSubstitution: Copy,
impl<I: Interner> Debug for TraitRef<I>
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impl<I: Eq + Interner> Eq for TraitRef<I>
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impl<I: Interner, _TI> Fold<I, _TI> for TraitRef<I> where
_TI: TargetInterner<I>,
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_TI: TargetInterner<I>,
type Result = TraitRef<_TI>
The type of value that will be produced once folding is done. Typically this is Self
, unless Self
contains borrowed values, in which case owned values are produced (for example, one can fold over a &T
value where T: Fold
, in which case you get back a T
, not a &T
). Read more
fn fold_with<'i>(
&self,
folder: &mut dyn Folder<'i, I, _TI>,
outer_binder: DebruijnIndex
) -> Fallible<Self::Result> where
I: 'i,
_TI: 'i,
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&self,
folder: &mut dyn Folder<'i, I, _TI>,
outer_binder: DebruijnIndex
) -> Fallible<Self::Result> where
I: 'i,
_TI: 'i,
impl<I: Interner> HasInterner for TraitRef<I>
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type Interner = I
The interner associated with the type.
impl<I: Hash + Interner> Hash for TraitRef<I>
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fn hash<__H: Hasher>(&self, state: &mut __H)
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl<I: PartialEq + Interner> PartialEq<TraitRef<I>> for TraitRef<I>
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impl<I: Interner> StructuralEq for TraitRef<I>
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impl<I: Interner> StructuralPartialEq for TraitRef<I>
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impl<I: Interner> Visit<I> for TraitRef<I>
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fn visit_with<'i, R: VisitResult>(
&self,
visitor: &mut dyn Visitor<'i, I, Result = R>,
outer_binder: DebruijnIndex
) -> R where
I: 'i,
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&self,
visitor: &mut dyn Visitor<'i, I, Result = R>,
outer_binder: DebruijnIndex
) -> R where
I: 'i,
impl<I: Interner> Zip<I> for TraitRef<I>
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Auto Trait Implementations
impl<I> RefUnwindSafe for TraitRef<I> where
<I as Interner>::DefId: RefUnwindSafe,
<I as Interner>::InternedSubstitution: RefUnwindSafe,
<I as Interner>::DefId: RefUnwindSafe,
<I as Interner>::InternedSubstitution: RefUnwindSafe,
impl<I> Send for TraitRef<I> where
<I as Interner>::DefId: Send,
<I as Interner>::InternedSubstitution: Send,
<I as Interner>::DefId: Send,
<I as Interner>::InternedSubstitution: Send,
impl<I> Sync for TraitRef<I> where
<I as Interner>::DefId: Sync,
<I as Interner>::InternedSubstitution: Sync,
<I as Interner>::DefId: Sync,
<I as Interner>::InternedSubstitution: Sync,
impl<I> Unpin for TraitRef<I> where
<I as Interner>::DefId: Unpin,
<I as Interner>::InternedSubstitution: Unpin,
<I as Interner>::DefId: Unpin,
<I as Interner>::InternedSubstitution: Unpin,
impl<I> UnwindSafe for TraitRef<I> where
<I as Interner>::DefId: UnwindSafe,
<I as Interner>::InternedSubstitution: UnwindSafe,
<I as Interner>::DefId: UnwindSafe,
<I as Interner>::InternedSubstitution: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Cast for T
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fn cast<U>(self, interner: &U::Interner) -> U where
Self: CastTo<U>,
U: HasInterner,
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Self: CastTo<U>,
U: HasInterner,
impl<T, I> CastTo<DomainGoal<I>> for T where
I: Interner,
T: CastTo<WhereClause<I>>,
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I: Interner,
T: CastTo<WhereClause<I>>,
fn cast_to(Self, &I) -> DomainGoal<I>
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impl<T, I> CastTo<Goal<I>> for T where
I: Interner,
T: CastTo<DomainGoal<I>>,
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I: Interner,
T: CastTo<DomainGoal<I>>,
impl<T, I> CastTo<ProgramClause<I>> for T where
I: Interner,
T: CastTo<DomainGoal<I>>,
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I: Interner,
T: CastTo<DomainGoal<I>>,
fn cast_to(Self, &I) -> ProgramClause<I>
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impl<T, I> CouldMatch<T> for T where
I: Interner,
T: Zip<I> + HasInterner<Interner = I> + ?Sized,
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I: Interner,
T: Zip<I> + HasInterner<Interner = I> + ?Sized,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, I> Shift<I> for T where
I: Interner,
T: Fold<I, I>,
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I: Interner,
T: Fold<I, I>,
fn shifted_in(&Self, &I) -> <T as Fold<I, I>>::Result
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fn shifted_in_from(&Self, &I, DebruijnIndex) -> <T as Fold<I, I>>::Result
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fn shifted_out_to(
&Self,
&I,
DebruijnIndex
) -> Result<<T as Fold<I, I>>::Result, NoSolution>
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&Self,
&I,
DebruijnIndex
) -> Result<<T as Fold<I, I>>::Result, NoSolution>
fn shifted_out(&Self, &I) -> Result<<T as Fold<I, I>>::Result, NoSolution>
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, I> VisitExt<I> for T where
I: Interner,
T: Visit<I>,
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I: Interner,
T: Visit<I>,