Enum chalk_ir::ConstValue

source ·
pub enum ConstValue<I: Interner> {
    BoundVar(BoundVar),
    InferenceVar(InferenceVar),
    Placeholder(PlaceholderIndex),
    Concrete(ConcreteConst<I>),
}
Expand description

A constant value, not necessarily concrete.

Variants§

§

BoundVar(BoundVar)

Bound var (e.g. a parameter).

§

InferenceVar(InferenceVar)

Constant whose value is being inferred.

§

Placeholder(PlaceholderIndex)

Lifetime on some yet-unknown placeholder.

§

Concrete(ConcreteConst<I>)

Concrete constant value.

Trait Implementations§

source§

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

source§

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

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
source§

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

§

type Interner = I

The interner associated with the type.
source§

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

source§

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

Feeds this value into the given Hasher. Read more
1.3.0 · source§

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
source§

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

source§

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

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

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
source§

impl<I: Interner> Copy for ConstValue<I>where I::InternedConcreteConst: Copy,

source§

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

source§

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

source§

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

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for Twhere T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for Twhere T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for Twhere T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> Cast for T

source§

fn cast<U>(self, interner: U::Interner) -> Uwhere Self: CastTo<U>, U: HasInterner,

Cast a value to type U using CastTo.
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for Twhere U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> ToOwned for Twhere T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.