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 Clone for WherePredicate
impl Clone for WherePredicate
sourceimpl Debug for WherePredicate
impl Debug for WherePredicate
sourceimpl From<PredicateEq> for WherePredicate
impl From<PredicateEq> for WherePredicate
sourcefn from(e: PredicateEq) -> WherePredicate
fn from(e: PredicateEq) -> WherePredicate
Performs the conversion.
sourceimpl From<PredicateLifetime> for WherePredicate
impl From<PredicateLifetime> for WherePredicate
sourcefn from(e: PredicateLifetime) -> WherePredicate
fn from(e: PredicateLifetime) -> WherePredicate
Performs the conversion.
sourceimpl From<PredicateType> for WherePredicate
impl From<PredicateType> for WherePredicate
sourcefn from(e: PredicateType) -> WherePredicate
fn from(e: PredicateType) -> WherePredicate
Performs the conversion.
sourceimpl Hash for WherePredicate
impl Hash for WherePredicate
sourceimpl Parse for WherePredicate
impl Parse for WherePredicate
fn parse(input: ParseStream<'_>) -> Result<Self>
sourceimpl PartialEq<WherePredicate> for WherePredicate
impl PartialEq<WherePredicate> for WherePredicate
sourceimpl ToTokens for WherePredicate
impl ToTokens for WherePredicate
sourcefn to_tokens(&self, tokens: &mut TokenStream)
fn to_tokens(&self, tokens: &mut TokenStream)
Write self
to the given TokenStream
. Read more
sourcefn to_token_stream(&self) -> TokenStream
fn to_token_stream(&self) -> TokenStream
Convert self
directly into a TokenStream
object. Read more
sourcefn into_token_stream(self) -> TokenStream
fn into_token_stream(self) -> TokenStream
Convert self
directly into a TokenStream
object. Read more
impl Eq 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 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
sourceimpl<T> Spanned for T where
T: Spanned + ?Sized,
impl<T> Spanned for T where
T: Spanned + ?Sized,
sourcefn span(&self) -> Span
fn span(&self) -> Span
Returns a Span
covering the complete contents of this syntax tree
node, or Span::call_site()
if this node is empty. Read more
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more