Enum rustc_hir::WherePredicate

source · 
pub enum WherePredicate<'hir> {
    BoundPredicate(WhereBoundPredicate<'hir>),
    RegionPredicate(WhereRegionPredicate<'hir>),
    EqPredicate(WhereEqPredicate<'hir>),
}
Expand description

A single predicate in a where-clause.

Variants§

§

BoundPredicate(WhereBoundPredicate<'hir>)

A type binding (e.g., for<'c> Foo: Send + Clone + 'c).

§

RegionPredicate(WhereRegionPredicate<'hir>)

A lifetime predicate (e.g., 'a: 'b + 'c).

§

EqPredicate(WhereEqPredicate<'hir>)

An equality predicate (unsupported).

Implementations§

source§

impl<'hir> WherePredicate<'hir>

source

pub fn span(&self) -> Span

source

pub fn in_where_clause(&self) -> bool

source

pub fn bounds(&self) -> GenericBounds<'hir>

Trait Implementations§

source§

impl<'hir> Clone for WherePredicate<'hir>

source§

fn clone(&self) -> WherePredicate<'hir>

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
source§

impl<'hir> Debug for WherePredicate<'hir>

source§

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

Formats the value using the given formatter. Read more
source§

impl<'hir, __CTX> HashStable<__CTX> for WherePredicate<'hir>
where __CTX: HashStableContext,

source§

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

source§

impl<'hir> Copy for WherePredicate<'hir>

Auto Trait Implementations§

§

impl<'hir> DynSend for WherePredicate<'hir>

§

impl<'hir> DynSync for WherePredicate<'hir>

§

impl<'hir> Freeze for WherePredicate<'hir>

§

impl<'hir> RefUnwindSafe for WherePredicate<'hir>

§

impl<'hir> Send for WherePredicate<'hir>

§

impl<'hir> Sync for WherePredicate<'hir>

§

impl<'hir> Unpin for WherePredicate<'hir>

§

impl<'hir> UnwindSafe for WherePredicate<'hir>

Blanket Implementations§

source§

impl<T> Aligned for T

source§

const ALIGN: Alignment = _

Alignment of Self.
source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for T
where T: Copy,

source§

fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

source§

fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T> ) -> &'a mut [T]

source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T> Instrument for T

source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

§

impl<T> Pointable for T

§

const ALIGN: usize = _

The alignment of pointer.
§

type Init = T

The type for initializers.
§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
source§

impl<T> Same for T

§

type Output = T

Should always be Self
source§

impl<T> ToOwned for T
where T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

§

fn vzip(self) -> V

source§

impl<T> WithSubscriber for T

source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
source§

impl<'a, T> Captures<'a> for T
where 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: 64 bytes

Size for each variant:

  • BoundPredicate: 64 bytes
  • RegionPredicate: 48 bytes
  • EqPredicate: 32 bytes