pub enum ImplHead<'db> {
Concrete(ImplDefId<'db>),
}Expand description
Head of an impl.
A non-param non-variable impl has a head, which represents the kind of the root node in its tree representation. This is used for caching queries for fast lookups when the impl is not completely inferred yet.
Variants§
Trait Implementations§
impl<'db> Eq for ImplHead<'db>
impl<'db> StructuralPartialEq for ImplHead<'db>
Auto Trait Implementations§
impl<'db> Freeze for ImplHead<'db>
impl<'db> RefUnwindSafe for ImplHead<'db>
impl<'db> Send for ImplHead<'db>
impl<'db> Sync for ImplHead<'db>
impl<'db> Unpin for ImplHead<'db>
impl<'db> UnwindSafe for ImplHead<'db>
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<'db, T> DebugDbUpcast<'db, T> for Twhere
T: ?Sized,
impl<'db, T> DebugDbUpcast<'db, T> for Twhere
T: ?Sized,
fn debug_db_upcast(&'db self) -> &'db T
Source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
Source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key and return true if they are equal.Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more