Struct chalk_ir::SubtypeGoal
source · [−]Expand description
Subtype goal: tries to prove that a
is a subtype of b
Fields
a: Ty<I>
b: Ty<I>
Trait Implementations
sourceimpl<I: Interner> CastTo<Goal<I>> for SubtypeGoal<I>
impl<I: Interner> CastTo<Goal<I>> for SubtypeGoal<I>
sourceimpl<I: Clone + Interner> Clone for SubtypeGoal<I>
impl<I: Clone + Interner> Clone for SubtypeGoal<I>
sourcefn clone(&self) -> SubtypeGoal<I>
fn clone(&self) -> SubtypeGoal<I>
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl<I: Interner> Debug for SubtypeGoal<I>
impl<I: Interner> Debug for SubtypeGoal<I>
sourceimpl<I: Hash + Interner> Hash for SubtypeGoal<I>
impl<I: Hash + Interner> Hash for SubtypeGoal<I>
sourceimpl<I: PartialEq + Interner> PartialEq<SubtypeGoal<I>> for SubtypeGoal<I>
impl<I: PartialEq + Interner> PartialEq<SubtypeGoal<I>> for SubtypeGoal<I>
sourcefn eq(&self, other: &SubtypeGoal<I>) -> bool
fn eq(&self, other: &SubtypeGoal<I>) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourcefn ne(&self, other: &SubtypeGoal<I>) -> bool
fn ne(&self, other: &SubtypeGoal<I>) -> bool
This method tests for !=
.
sourceimpl<I: Interner> TypeFoldable<I> for SubtypeGoal<I>
impl<I: Interner> TypeFoldable<I> for SubtypeGoal<I>
sourcefn fold_with<E>(
self,
folder: &mut dyn TypeFolder<I, Error = E>,
outer_binder: DebruijnIndex
) -> Result<Self, E>
fn fold_with<E>(
self,
folder: &mut dyn TypeFolder<I, Error = E>,
outer_binder: DebruijnIndex
) -> Result<Self, E>
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. Read more
sourceimpl<I: Interner> TypeVisitable<I> for SubtypeGoal<I>
impl<I: Interner> TypeVisitable<I> for SubtypeGoal<I>
sourcefn visit_with<B>(
&self,
visitor: &mut dyn TypeVisitor<I, BreakTy = B>,
outer_binder: DebruijnIndex
) -> ControlFlow<B>
fn visit_with<B>(
&self,
visitor: &mut dyn TypeVisitor<I, BreakTy = B>,
outer_binder: DebruijnIndex
) -> ControlFlow<B>
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. Read more
sourceimpl<I: Interner> Zip<I> for SubtypeGoal<I>
impl<I: Interner> Zip<I> for SubtypeGoal<I>
impl<I: Interner> Copy for SubtypeGoal<I> where
I::InternedType: Copy,
impl<I: Eq + Interner> Eq for SubtypeGoal<I>
impl<I: Interner> StructuralEq for SubtypeGoal<I>
impl<I: Interner> StructuralPartialEq for SubtypeGoal<I>
Auto Trait Implementations
impl<I> RefUnwindSafe for SubtypeGoal<I> where
<I as Interner>::InternedType: RefUnwindSafe,
impl<I> Send for SubtypeGoal<I> where
<I as Interner>::InternedType: Send,
impl<I> Sync for SubtypeGoal<I> where
<I as Interner>::InternedType: Sync,
impl<I> Unpin for SubtypeGoal<I> where
<I as Interner>::InternedType: Unpin,
impl<I> UnwindSafe for SubtypeGoal<I> where
<I as Interner>::InternedType: UnwindSafe,
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Cast for T
impl<T> Cast for T
sourcefn cast<U>(self, interner: U::Interner) -> U where
Self: CastTo<U>,
U: HasInterner,
fn cast<U>(self, interner: U::Interner) -> U where
Self: CastTo<U>,
U: HasInterner,
Cast a value to type U
using CastTo
.
sourceimpl<T, I> Shift<I> for T where
T: TypeFoldable<I>,
I: Interner,
impl<T, I> Shift<I> for T where
T: TypeFoldable<I>,
I: Interner,
sourcefn shifted_in(self, interner: I) -> T
fn shifted_in(self, interner: I) -> T
Shifts this term in one level of binders.
sourcefn shifted_in_from(self, interner: I, source_binder: DebruijnIndex) -> T
fn shifted_in_from(self, interner: I, source_binder: DebruijnIndex) -> T
Shifts a term valid at outer_binder
so that it is
valid at the innermost binder. See DebruijnIndex::shifted_in_from
for a detailed explanation. Read more
sourcefn shifted_out_to(
self,
interner: I,
target_binder: DebruijnIndex
) -> Result<T, NoSolution>
fn shifted_out_to(
self,
interner: I,
target_binder: DebruijnIndex
) -> Result<T, NoSolution>
Shifts a term valid at the innermost binder so that it is
valid at outer_binder
. See DebruijnIndex::shifted_out_to
for a detailed explanation. Read more
sourcefn shifted_out(self, interner: I) -> Result<T, NoSolution>
fn shifted_out(self, interner: I) -> Result<T, NoSolution>
Shifts this term out one level of binders.
sourceimpl<T, I> VisitExt<I> for T where
I: Interner,
T: TypeVisitable<I>,
impl<T, I> VisitExt<I> for T where
I: Interner,
T: TypeVisitable<I>,
sourcefn has_free_vars(&self, interner: I) -> bool
fn has_free_vars(&self, interner: I) -> bool
Check whether there are free (non-bound) variables.