charon_lib::ast::types

Struct Ty

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pub struct Ty(HashConsed<TyKind>);
Expand description

A type.

Warning: for performance reasons, the Drive and DriveMut impls of Ty don’t explore the contents of the type, they only yield a pointer to the type itself. To recurse into the type, use drive_inner{_mut} or visit_inside.

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§0: HashConsed<TyKind>

Implementations§

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impl Ty

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pub fn new(kind: TyKind) -> Self

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pub fn kind(&self) -> &TyKind

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pub fn drive_inner<V: Visitor>(&self, visitor: &mut V)

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pub fn drive_inner_mut<V: VisitorMut>(&mut self, visitor: &mut V)

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impl Ty

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pub fn is_unit(&self) -> bool

Return true if it is actually unit (i.e.: 0-tuple)

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pub fn mk_unit() -> Ty

Return the unit type

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pub fn is_scalar(&self) -> bool

Return true if this is a scalar type

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pub fn is_unsigned_scalar(&self) -> bool

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pub fn is_signed_scalar(&self) -> bool

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pub fn is_box(&self) -> bool

Return true if the type is Box

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pub fn as_box(&self) -> Option<&Ty>

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pub fn as_array_or_slice(&self) -> Option<&Ty>

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pub fn as_tuple(&self) -> Option<&Vector<TypeVarId, Ty>>

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pub fn as_adt(&self) -> Option<(TypeId, &GenericArgs)>

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pub fn visit_inside<V>(visitor: V) -> VisitInsideTy<V>

Wrap a visitor to make it visit the contents of types it encounters.

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pub fn visit_inside_stateless<V>(visitor: V) -> VisitInsideTy<V>

Wrap a stateless visitor to make it visit the contents of types it encounters. This will only visit each type once and cache the results. For this to behave as expecte, the visitor must be stateless. The performance impact does not appear to be significant.

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impl Ty

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pub fn substitute(&mut self, generics: &GenericArgs)

Methods from Deref<Target = TyKind>§

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pub fn variant_name(&self) -> &'static str

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pub fn is_adt(&self) -> bool

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pub fn is_type_var(&self) -> bool

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pub fn is_literal(&self) -> bool

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pub fn is_never(&self) -> bool

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pub fn is_ref(&self) -> bool

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pub fn is_raw_ptr(&self) -> bool

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pub fn is_trait_type(&self) -> bool

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pub fn is_dyn_trait(&self) -> bool

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pub fn is_arrow(&self) -> bool

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pub fn as_adt(&self) -> Option<(&TypeId, &GenericArgs)>

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pub fn as_type_var(&self) -> Option<&TypeVarId>

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pub fn as_literal(&self) -> Option<&LiteralTy>

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pub fn as_never(&self) -> Option<()>

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pub fn as_ref(&self) -> Option<(&Region, &Ty, &RefKind)>

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pub fn as_raw_ptr(&self) -> Option<(&Ty, &RefKind)>

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pub fn as_trait_type(&self) -> Option<(&TraitRef, &TraitItemName)>

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pub fn as_dyn_trait(&self) -> Option<&ExistentialPredicate>

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pub fn as_arrow(&self) -> Option<(&Vector<RegionId, RegionVar>, &Vec<Ty>, &Ty)>

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pub fn variant_index_arity(&self) -> (u32, usize)

Trait Implementations§

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impl Clone for Ty

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fn clone(&self) -> Ty

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 Debug for Ty

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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 Deref for Ty

Convenience for migration purposes.

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type Target = TyKind

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<'de> Deserialize<'de> for Ty

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Drive for Ty

See comment on Ty: this impl doesn’t recurse into the contents of the type.

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fn drive<V: Visitor>(&self, visitor: &mut V)

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impl DriveMut for Ty

See comment on Ty: this impl doesn’t recurse into the contents of the type.

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fn drive_mut<V: VisitorMut>(&mut self, visitor: &mut V)

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impl<C: AstFormatter> FmtWithCtx<C> for Ty

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fn fmt_with_ctx(&self, ctx: &C) -> String

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fn fmt_with_ctx_and_indent(&self, _tab: &str, _ctx: &C) -> String

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fn with_ctx<'a>(&'a self, ctx: &'a C) -> impl Display + 'a

Returns a struct that implements Display. This allows the following: Read more
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impl<'a> Formatter<&Ty> for FmtCtx<'a>

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fn format_object(&self, x: &Ty) -> String

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impl From<TyKind> for Ty

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fn from(kind: TyKind) -> Ty

Converts to this type from the input type.
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impl Hash for Ty

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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 PartialEq for Ty

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fn eq(&self, other: &Ty) -> 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 Serialize for Ty

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl DerefPure for Ty

For deref patterns.

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impl Eq for Ty

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impl StructuralPartialEq for Ty

Auto Trait Implementations§

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impl Freeze for Ty

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impl RefUnwindSafe for Ty

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impl Send for Ty

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impl Sync for Ty

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impl Unpin for Ty

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impl UnwindSafe for Ty

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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<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<I, T> ExtractContext<I, ()> for T

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fn extract_context(self, _original_input: I)

Given the context attached to a nom error, and given the original input to the nom parser, extract more the useful context information. 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<I> RecreateContext<I> for I

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fn recreate_context(_original_input: I, tail: I) -> I

Given the original input, as well as the context reported by nom, recreate a context in the original string where the error occurred. Read more
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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<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<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,