Enum syn::WherePredicate
source · [−]pub enum WherePredicate {
Type(PredicateType),
Lifetime(PredicateLifetime),
Eq(PredicateEq),
}
Expand description
A single predicate in a where
clause: T: Deserialize<'de>
.
This type is available only if Syn is built with the "derive"
or "full"
feature.
Syntax tree enum
This type is a syntax tree enum.
Variants
Type(PredicateType)
A type predicate in a where
clause: for<'c> Foo<'c>: Trait<'c>
.
Lifetime(PredicateLifetime)
A lifetime predicate in a where
clause: 'a: 'b + 'c
.
Eq(PredicateEq)
An equality predicate in a where
clause (unsupported).
Trait Implementations
sourceimpl From<PredicateEq> for WherePredicate
impl From<PredicateEq> for WherePredicate
sourcefn from(e: PredicateEq) -> WherePredicate
fn from(e: PredicateEq) -> WherePredicate
Converts to this type from the input type.
sourceimpl From<PredicateLifetime> for WherePredicate
impl From<PredicateLifetime> for WherePredicate
sourcefn from(e: PredicateLifetime) -> WherePredicate
fn from(e: PredicateLifetime) -> WherePredicate
Converts to this type from the input type.
sourceimpl From<PredicateType> for WherePredicate
impl From<PredicateType> for WherePredicate
sourcefn from(e: PredicateType) -> WherePredicate
fn from(e: PredicateType) -> WherePredicate
Converts to this type from the input type.
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 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