Enum rustc_ast::ast::WherePredicate
source · pub enum WherePredicate {
BoundPredicate(WhereBoundPredicate),
RegionPredicate(WhereRegionPredicate),
EqPredicate(WhereEqPredicate),
}
Expand description
A single predicate in a where-clause.
Variants
BoundPredicate(WhereBoundPredicate)
A type binding (e.g., for<'c> Foo: Send + Clone + 'c
).
RegionPredicate(WhereRegionPredicate)
A lifetime predicate (e.g., 'a: 'b + 'c
).
EqPredicate(WhereEqPredicate)
An equality predicate (unsupported).
Implementations
sourceimpl WherePredicate
impl WherePredicate
Trait Implementations
sourceimpl Clone for WherePredicate
impl Clone for WherePredicate
sourcefn clone(&self) -> WherePredicate
fn clone(&self) -> WherePredicate
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 moresourceimpl Debug for WherePredicate
impl Debug for WherePredicate
sourceimpl<__D: Decoder> Decodable<__D> for WherePredicate
impl<__D: Decoder> Decodable<__D> for WherePredicate
Auto Trait Implementations
impl !RefUnwindSafe for WherePredicate
impl !Send for WherePredicate
impl !Sync for WherePredicate
impl Unpin for WherePredicate
impl !UnwindSafe for WherePredicate
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
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
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: 72 bytes
Size for each variant:
BoundPredicate
: 64 bytesRegionPredicate
: 48 bytesEqPredicate
: 24 bytes