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 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>
.
This type is available if Syn is built with the "derive"
or
"full"
feature.
Lifetime(PredicateLifetime)
A lifetime predicate in a where
clause: 'a: 'b + 'c
.
This type is available if Syn is built with the "derive"
or
"full"
feature.
Eq(PredicateEq)
An equality predicate in a where
clause (unsupported).
This type is available if Syn is built with the "derive"
or
"full"
feature.
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 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.
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
sourcefn eq(&self, other: &WherePredicate) -> bool
fn eq(&self, other: &WherePredicate) -> bool
sourceimpl ToTokens for WherePredicate
impl ToTokens for WherePredicate
sourcefn to_tokens(&self, tokens: &mut TokenStream)
fn to_tokens(&self, tokens: &mut TokenStream)
sourcefn into_token_stream(self) -> TokenStreamwhere
Self: Sized,
fn into_token_stream(self) -> TokenStreamwhere
Self: Sized,
impl Eq for WherePredicate
impl StructuralEq for WherePredicate
impl StructuralPartialEq 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
sourceimpl<T> Spanned for Twhere
T: ToTokens,
impl<T> Spanned for Twhere
T: ToTokens,
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