Enum chalk_ir::ConstValue

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

A constant value, not necessarily concrete.

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BoundVar(BoundVar)

Bound var (e.g. a parameter).

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InferenceVar(InferenceVar)

Constant whose value is being inferred.

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Placeholder(PlaceholderIndex)

Lifetime on some yet-unknown placeholder.

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Concrete(ConcreteConst<I>)

Concrete constant value.

Trait Implementations§

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

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

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<I: Interner> HasInterner for ConstValue<I>

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type Interner = I

The interner associated with the type.
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impl<I: Hash + Interner> Hash for ConstValue<I>

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

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

This method tests for self and other values to be equal, and is used by ==.
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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.
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impl<I: Interner> Copy for ConstValue<I>

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

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

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

Auto Trait Implementations§

Blanket Implementations§

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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> Cast for T

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

Cast a value to type U using CastTo.
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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, 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> 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.