Enum chalk_ir::TypeName

pub enum TypeName<I: Interner> {
    Adt(AdtId<I>),
    AssociatedType(AssocTypeId<I>),
    Scalar(Scalar),
    Tuple(usize),
    Array,
    Slice,
    Raw(Mutability),
    Ref(Mutability),
    OpaqueType(OpaqueTyId<I>),
    FnDef(FnDefId<I>),
    Str,
    Never,
    Closure(ClosureId<I>),
    Error,
}

Different kinds of Rust types.

Variants

Adt(AdtId<I>)

Abstract data types, i.e., structs, unions, or enumerations. For example, a type like Vec<T>.

AssociatedType(AssocTypeId<I>)

an associated type like Iterator::Item; see AssociatedType for details

Scalar(Scalar)

a scalar type like bool or u32

Tuple(usize)

a tuple of the given arity

Array

an array type like [T; N]

Slice

a slice type like [T]

Raw(Mutability)

a raw pointer type like *const T or *mut T

Ref(Mutability)

a reference type like &T or &mut T

OpaqueType(OpaqueTyId<I>)

a placeholder for opaque types like impl Trait

FnDef(FnDefId<I>)

a function definition

Str

the string primitive type

Never

the never type !

Closure(ClosureId<I>)

A closure.

Error

This can be used to represent an error, e.g. during name resolution of a type. Chalk itself will not produce this, just pass it through when given.

Trait Implementations

impl<I> CastTo<TypeName<I>> for AdtId<I> where
    I: Interner, 

fn cast_to(self, _interner: &I) -> TypeName<I>

Cast a value to type T.

impl<I> CastTo<TypeName<I>> for FnDefId<I> where
    I: Interner, 

fn cast_to(self, _interner: &I) -> TypeName<I>

Cast a value to type T.

impl<I> CastTo<TypeName<I>> for OpaqueTyId<I> where
    I: Interner, 

fn cast_to(self, _interner: &I) -> TypeName<I>

Cast a value to type T.

impl<I: Clone + Interner> Clone for TypeName<I>

fn clone(&self) -> TypeName<I>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<I: Copy + Interner> Copy for TypeName<I>

impl<I: Interner> Debug for TypeName<I>

fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error>

Formats the value using the given formatter.

impl<I: Eq + Interner> Eq for TypeName<I>

impl<I: Interner, _TI> Fold<I, _TI> for TypeName<I> where
    _TI: TargetInterner<I>, 

type Result = TypeName<_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).

fn fold_with<'i>(
    &self,
    folder: &mut dyn Folder<'i, I, _TI>,
    outer_binder: DebruijnIndex
) -> Fallible<Self::Result> where
    I: 'i,
    _TI: 'i, 

Apply the given folder folder to self; binders is the number of binders that are in scope when beginning the folder. Typically binders starts as 0, but is adjusted when we encounter Binders<T> in the IR or other similar constructs.

impl<I: Interner> HasInterner for TypeName<I>

type Interner = I

The interner associated with the type.

impl<I: Hash + Interner> Hash for TypeName<I>

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

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl<I: Ord + Interner> Ord for TypeName<I>

fn cmp(&self, other: &TypeName<I>) -> Ordering

This method returns an [Ordering] between self and other.

#[must_use]fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]fn clamp(self, min: Self, max: Self) -> Self

🔬 This is a nightly-only experimental API. (clamp)

Restrict a value to a certain interval.

impl<I: PartialEq + Interner> PartialEq<TypeName<I>> for TypeName<I>

fn eq(&self, other: &TypeName<I>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &TypeName<I>) -> bool

This method tests for !=.

impl<I: PartialOrd + Interner> PartialOrd<TypeName<I>> for TypeName<I>

fn partial_cmp(&self, other: &TypeName<I>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &TypeName<I>) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &TypeName<I>) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &TypeName<I>) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &TypeName<I>) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<I: Interner> StructuralEq for TypeName<I>

impl<I: Interner> StructuralPartialEq for TypeName<I>

impl<I: Interner> Visit<I> for TypeName<I>

fn visit_with<'i, R: VisitResult>(
    &self,
    visitor: &mut dyn Visitor<'i, I, Result = R>,
    outer_binder: DebruijnIndex
) -> R where
    I: 'i, 

Apply the given visitor visitor to self; binders is the number of binders that are in scope when beginning the visitor. Typically binders starts as 0, but is adjusted when we encounter Binders<T> in the IR or other similar constructs.

impl<I: Interner> Zip<I> for TypeName<I>

fn zip_with<'i, Z: Zipper<'i, I>>(
    _zipper: &mut Z,
    a: &Self,
    b: &Self
) -> Fallible<()> where
    I: 'i, 

Uses the zipper to walk through two values, ensuring that they match.