Struct chalk_ir::Ty [−][src]
A Rust type. The actual type data is stored in TyKind
.
Implementations
impl<I: Interner> Ty<I>
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pub fn new(interner: &I, data: impl CastTo<TyKind<I>>) -> Self
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Creates a type from TyKind
.
pub fn interned(&self) -> &I::InternedType
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Gets the interned type.
pub fn data(&self, interner: &I) -> &TyData<I>
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Gets the underlying type data.
pub fn kind(&self, interner: &I) -> &TyKind<I>
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Gets the underlying type kind.
pub fn from_env(&self) -> FromEnv<I>
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Creates a FromEnv
constraint using this type.
pub fn well_formed(&self) -> WellFormed<I>
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Creates a WF-constraint for this type.
pub fn into_from_env_goal(self, interner: &I) -> DomainGoal<I>
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Creates a domain goal FromEnv(T)
where T
is this type.
pub fn bound_var(&self, interner: &I) -> Option<BoundVar>
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If this is a TyKind::BoundVar(d)
, returns Some(d)
else None
.
pub fn inference_var(&self, interner: &I) -> Option<InferenceVar>
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If this is a TyKind::InferenceVar(d)
, returns Some(d)
else None
.
pub fn is_general_var(
&self,
interner: &I,
binders: &CanonicalVarKinds<I>
) -> bool
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&self,
interner: &I,
binders: &CanonicalVarKinds<I>
) -> bool
Returns true if this is a BoundVar
or an InferenceVar
of TyVariableKind::General
.
pub fn is_alias(&self, interner: &I) -> bool
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Returns true if this is an Alias
.
pub fn is_integer(&self, interner: &I) -> bool
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Returns true if this is an IntTy
or UintTy
.
pub fn is_float(&self, interner: &I) -> bool
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Returns true if this is a FloatTy
.
pub fn adt_id(&self, interner: &I) -> Option<AdtId<I>>
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Returns Some(adt_id)
if this is an ADT, None
otherwise
pub fn needs_shift(&self, interner: &I) -> bool
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True if this type contains “bound” types/lifetimes, and hence needs to be shifted across binders. This is a very inefficient check, intended only for debug assertions, because I am lazy.
Trait Implementations
impl<I: Interner> CastTo<GenericArg<I>> for Ty<I>
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fn cast_to(self, interner: &I) -> GenericArg<I>
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impl<I: Clone + Interner> Clone for Ty<I> where
I::InternedType: Clone,
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I::InternedType: Clone,
impl<I: Copy + Interner> Copy for Ty<I> where
I::InternedType: Copy,
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I::InternedType: Copy,
impl<I: Interner> Debug for Ty<I>
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impl<I: Eq + Interner> Eq for Ty<I> where
I::InternedType: Eq,
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I::InternedType: Eq,
impl<I: Interner> Fold<I> for Ty<I>
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“Folding” a type invokes the fold_ty
method on the folder; this
usually (in turn) invokes super_fold_ty
to fold the individual
parts.
type Result = Ty<I>
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>,
outer_binder: DebruijnIndex
) -> Fallible<Self::Result> where
I: 'i,
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self,
folder: &mut dyn Folder<'i, I>,
outer_binder: DebruijnIndex
) -> Fallible<Self::Result> where
I: 'i,
impl<I: Interner> HasInterner for Ty<I>
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type Interner = I
The interner associated with the type.
impl<I: Hash + Interner> Hash for Ty<I> where
I::InternedType: Hash,
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I::InternedType: Hash,
fn hash<__H: Hasher>(&self, state: &mut __H)
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pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
impl<I: Ord + Interner> Ord for Ty<I> where
I::InternedType: Ord,
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I::InternedType: Ord,
fn cmp(&self, other: &Ty<I>) -> Ordering
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#[must_use]pub fn max(self, other: Self) -> Self
1.21.0[src]
#[must_use]pub fn min(self, other: Self) -> Self
1.21.0[src]
#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self
1.50.0[src]
impl<I: PartialEq + Interner> PartialEq<Ty<I>> for Ty<I> where
I::InternedType: PartialEq,
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I::InternedType: PartialEq,
impl<I: PartialOrd + Interner> PartialOrd<Ty<I>> for Ty<I> where
I::InternedType: PartialOrd,
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I::InternedType: PartialOrd,
fn partial_cmp(&self, other: &Ty<I>) -> Option<Ordering>
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#[must_use]pub fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn le(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn gt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn ge(&self, other: &Rhs) -> bool
1.0.0[src]
impl<I: Interner> StructuralEq for Ty<I>
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impl<I: Interner> StructuralPartialEq for Ty<I>
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impl<I> SuperFold<I> for Ty<I> where
I: Interner,
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I: Interner,
“Super fold” for a type invokes te more detailed callbacks on the type
fn super_fold_with<'i>(
self,
folder: &mut dyn Folder<'i, I>,
outer_binder: DebruijnIndex
) -> Fallible<Ty<I>> where
I: 'i,
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self,
folder: &mut dyn Folder<'i, I>,
outer_binder: DebruijnIndex
) -> Fallible<Ty<I>> where
I: 'i,
impl<I> SuperVisit<I> for Ty<I> where
I: Interner,
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I: Interner,
“Super visit” for a type invokes the more detailed callbacks on the type
fn super_visit_with<'i, B>(
&self,
visitor: &mut dyn Visitor<'i, I, BreakTy = B>,
outer_binder: DebruijnIndex
) -> ControlFlow<B> where
I: 'i,
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&self,
visitor: &mut dyn Visitor<'i, I, BreakTy = B>,
outer_binder: DebruijnIndex
) -> ControlFlow<B> where
I: 'i,
impl<I: Interner> Visit<I> for Ty<I>
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“visiting” a type invokes the visit_ty
method on the visitor; this
usually (in turn) invokes super_visit_ty
to visit the individual
parts.
fn visit_with<'i, B>(
&self,
visitor: &mut dyn Visitor<'i, I, BreakTy = B>,
outer_binder: DebruijnIndex
) -> ControlFlow<B> where
I: 'i,
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&self,
visitor: &mut dyn Visitor<'i, I, BreakTy = B>,
outer_binder: DebruijnIndex
) -> ControlFlow<B> where
I: 'i,
impl<I: Interner> Zip<I> for Ty<I>
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Auto Trait Implementations
impl<I> RefUnwindSafe for Ty<I> where
<I as Interner>::InternedType: RefUnwindSafe,
<I as Interner>::InternedType: RefUnwindSafe,
impl<I> Send for Ty<I> where
<I as Interner>::InternedType: Send,
<I as Interner>::InternedType: Send,
impl<I> Sync for Ty<I> where
<I as Interner>::InternedType: Sync,
<I as Interner>::InternedType: Sync,
impl<I> Unpin for Ty<I> where
<I as Interner>::InternedType: Unpin,
<I as Interner>::InternedType: Unpin,
impl<I> UnwindSafe for Ty<I> where
<I as Interner>::InternedType: UnwindSafe,
<I as Interner>::InternedType: 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,
pub 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> CouldMatch<T> for T where
T: Zip<I> + HasInterner<Interner = I> + ?Sized,
I: Interner,
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T: Zip<I> + HasInterner<Interner = I> + ?Sized,
I: Interner,
pub fn could_match(&Self, &I, &dyn UnificationDatabase<I>, &T) -> bool
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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
T: Fold<I>,
I: Interner,
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T: Fold<I>,
I: Interner,
pub fn shifted_in(Self, &I) -> <T as Fold<I>>::Result
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pub fn shifted_in_from(Self, &I, DebruijnIndex) -> <T as Fold<I>>::Result
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pub fn shifted_out_to(
Self,
&I,
DebruijnIndex
) -> Result<<T as Fold<I>>::Result, NoSolution>
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Self,
&I,
DebruijnIndex
) -> Result<<T as Fold<I>>::Result, NoSolution>
pub fn shifted_out(Self, &I) -> Result<<T as Fold<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.
pub fn to_owned(&self) -> T
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pub 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.
pub 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.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, I> VisitExt<I> for T where
T: Visit<I>,
I: Interner,
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T: Visit<I>,
I: Interner,