Enum chalk_ir::LifetimeData

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pub enum LifetimeData<I: Interner> {
    BoundVar(BoundVar),
    InferenceVar(InferenceVar),
    Placeholder(PlaceholderIndex),
    Static,
    Erased,
    Phantom(Void, PhantomData<I>),
    Error,
}
Expand description

Lifetime data, including what kind of lifetime it is and what it points to.

Variants§

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BoundVar(BoundVar)

See TyKind::BoundVar.

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InferenceVar(InferenceVar)

Lifetime whose value is being inferred.

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Placeholder(PlaceholderIndex)

Lifetime on some yet-unknown placeholder.

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Static

Static lifetime

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Erased

An erased lifetime, used by rustc to improve caching when we doesn’t care about lifetimes

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Phantom(Void, PhantomData<I>)

Lifetime on phantom data.

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Error

A lifetime that resulted from some error

Implementations§

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impl<I: Interner> LifetimeData<I>

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pub fn intern(self, interner: I) -> Lifetime<I>

Wrap the lifetime data in a lifetime.

Trait Implementations§

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impl<I: Interner> CastTo<LifetimeData<I>> for LifetimeData<I>

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fn cast_to( self, _interner: <LifetimeData<I> as HasInterner>::Interner, ) -> LifetimeData<I>

Cast a value to type T.
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impl<I: Clone + Interner> Clone for LifetimeData<I>

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fn clone(&self) -> LifetimeData<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
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impl<I: Interner> Debug for LifetimeData<I>

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

Formats the value using the given formatter. Read more
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impl<I: Interner> HasInterner for LifetimeData<I>

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type Interner = I

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

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

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl<I: PartialEq + Interner> PartialEq for LifetimeData<I>

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fn eq(&self, other: &LifetimeData<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: PartialOrd + Interner> PartialOrd for LifetimeData<I>

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

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<I: Copy + Interner> Copy for LifetimeData<I>

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

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

Auto Trait Implementations§

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impl<I> Freeze for LifetimeData<I>

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impl<I> RefUnwindSafe for LifetimeData<I>
where I: RefUnwindSafe,

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impl<I> Send for LifetimeData<I>
where I: Send,

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impl<I> Sync for LifetimeData<I>
where I: Sync,

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impl<I> Unpin for LifetimeData<I>
where I: Unpin,

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impl<I> UnwindSafe for LifetimeData<I>
where I: UnwindSafe,

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> CloneToUninit for T
where T: Copy,

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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<T> CloneToUninit for T
where T: Clone,

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default 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<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.