Enum rustc_type_ir::ImplPolarity
source · pub enum ImplPolarity {
Positive,
Negative,
Reservation,
}
Variants§
Positive
impl Trait for Type
Negative
impl !Trait for Type
Reservation
#[rustc_reservation_impl] impl Trait for Type
This is a “stability hack”, not a real Rust feature. See #64631 for details.
Trait Implementations§
source§impl Clone for ImplPolarity
impl Clone for ImplPolarity
source§fn clone(&self) -> ImplPolarity
fn clone(&self) -> ImplPolarity
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for ImplPolarity
impl Debug for ImplPolarity
source§impl<__D: TyDecoder> Decodable<__D> for ImplPolarity
impl<__D: TyDecoder> Decodable<__D> for ImplPolarity
source§impl Display for ImplPolarity
impl Display for ImplPolarity
source§impl<__E: TyEncoder> Encodable<__E> for ImplPolarity
impl<__E: TyEncoder> Encodable<__E> for ImplPolarity
source§impl Hash for ImplPolarity
impl Hash for ImplPolarity
source§impl<__CTX> HashStable<__CTX> for ImplPolarity
impl<__CTX> HashStable<__CTX> for ImplPolarity
fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)
source§impl Ord for ImplPolarity
impl Ord for ImplPolarity
source§fn cmp(&self, other: &ImplPolarity) -> Ordering
fn cmp(&self, other: &ImplPolarity) -> Ordering
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
source§impl PartialEq for ImplPolarity
impl PartialEq for ImplPolarity
source§fn eq(&self, other: &ImplPolarity) -> bool
fn eq(&self, other: &ImplPolarity) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl PartialOrd for ImplPolarity
impl PartialOrd for ImplPolarity
source§fn partial_cmp(&self, other: &ImplPolarity) -> Option<Ordering>
fn partial_cmp(&self, other: &ImplPolarity) -> Option<Ordering>
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
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 moreimpl Copy for ImplPolarity
impl Eq for ImplPolarity
impl StructuralPartialEq for ImplPolarity
Auto Trait Implementations§
impl Freeze for ImplPolarity
impl RefUnwindSafe for ImplPolarity
impl Send for ImplPolarity
impl Sync for ImplPolarity
impl Unpin for ImplPolarity
impl UnwindSafe for ImplPolarity
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: Copy,
impl<T> CloneToUninit for Twhere
T: Copy,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T, R> CollectAndApply<T, R> for T
impl<T, R> CollectAndApply<T, R> for T
source§impl<Q, K> Comparable<K> for Q
impl<Q, K> Comparable<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
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 moresource§impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
source§impl<I, T> UpcastFrom<I, T> for T
impl<I, T> UpcastFrom<I, T> for T
fn upcast_from(from: T, _tcx: I) -> T
source§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
source§fn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
impl<'a, T> Captures<'a> for Twhere
T: ?Sized,
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.
Size: 1 byte
Size for each variant:
Positive
: 0 bytesNegative
: 0 bytesReservation
: 0 bytes