[−][src]Struct chalk_ir::PlaceholderIndex
Index of an universally quantified parameter in the environment. Two indexes are required, the one of the universe itself and the relative index inside the universe.
Fields
ui: UniverseIndex
Index of the universe.
idx: usize
Index in the universe.
Implementations
impl PlaceholderIndex
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pub fn to_lifetime<I: Interner>(self, interner: &I) -> Lifetime<I>
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Wrap the placeholder instance in a lifetime.
pub fn to_ty<I: Interner>(self, interner: &I) -> Ty<I>
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Create an interned type.
pub fn to_const<I: Interner>(self, interner: &I, ty: Ty<I>) -> Const<I>
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Wrap the placeholder index in a constant.
Trait Implementations
impl Clone for PlaceholderIndex
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pub fn clone(&self) -> PlaceholderIndex
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pub fn clone_from(&mut self, source: &Self)
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impl Copy for PlaceholderIndex
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impl Debug for PlaceholderIndex
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impl Eq for PlaceholderIndex
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impl<I: Interner> Fold<I> for PlaceholderIndex
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type Result = Self
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
). Read more
pub fn fold_with<'i>(
self,
_folder: &mut dyn Folder<'i, I>,
_outer_binder: DebruijnIndex
) -> Fallible<Self::Result> where
I: 'i,
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self,
_folder: &mut dyn Folder<'i, I>,
_outer_binder: DebruijnIndex
) -> Fallible<Self::Result> where
I: 'i,
impl Hash for PlaceholderIndex
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pub fn hash<__H: Hasher>(&self, state: &mut __H)
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pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl Ord for PlaceholderIndex
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pub fn cmp(&self, other: &PlaceholderIndex) -> Ordering
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#[must_use]pub fn max(self, other: Self) -> Self
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#[must_use]pub fn min(self, other: Self) -> Self
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#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self
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impl PartialEq<PlaceholderIndex> for PlaceholderIndex
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pub fn eq(&self, other: &PlaceholderIndex) -> bool
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pub fn ne(&self, other: &PlaceholderIndex) -> bool
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impl PartialOrd<PlaceholderIndex> for PlaceholderIndex
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pub fn partial_cmp(&self, other: &PlaceholderIndex) -> Option<Ordering>
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pub fn lt(&self, other: &PlaceholderIndex) -> bool
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pub fn le(&self, other: &PlaceholderIndex) -> bool
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pub fn gt(&self, other: &PlaceholderIndex) -> bool
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pub fn ge(&self, other: &PlaceholderIndex) -> bool
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impl StructuralEq for PlaceholderIndex
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impl StructuralPartialEq for PlaceholderIndex
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impl<I: Interner> Visit<I> for PlaceholderIndex
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pub fn visit_with<'i, B>(
&self,
_visitor: &mut dyn Visitor<'i, I, BreakTy = B>,
_outer_binder: DebruijnIndex
) -> ControlFlow<B> where
I: 'i,
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&self,
_visitor: &mut dyn Visitor<'i, I, BreakTy = B>,
_outer_binder: DebruijnIndex
) -> ControlFlow<B> where
I: 'i,
impl<I: Interner> Zip<I> for PlaceholderIndex
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Auto Trait Implementations
impl RefUnwindSafe for PlaceholderIndex
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impl Send for PlaceholderIndex
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impl Sync for PlaceholderIndex
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impl Unpin for PlaceholderIndex
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impl UnwindSafe for PlaceholderIndex
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> Cast for T
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pub fn cast<U>(self, interner: &U::Interner) -> U where
Self: CastTo<U>,
U: HasInterner,
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Self: CastTo<U>,
U: HasInterner,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, I> Shift<I> for T where
T: Fold<I>,
I: Interner,
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T: Fold<I>,
I: Interner,
pub fn shifted_in(Self, &I) -> <T as Fold<I>>::Result
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pub fn shifted_in_from(Self, &I, DebruijnIndex) -> <T as Fold<I>>::Result
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pub fn shifted_out_to(
Self,
&I,
DebruijnIndex
) -> Result<<T as Fold<I>>::Result, NoSolution>
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Self,
&I,
DebruijnIndex
) -> Result<<T as Fold<I>>::Result, NoSolution>
pub fn shifted_out(Self, &I) -> Result<<T as Fold<I>>::Result, NoSolution>
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, I> VisitExt<I> for T where
T: Visit<I>,
I: Interner,
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T: Visit<I>,
I: Interner,