Lifetimes and type parameters attached to a declaration of a function,
enum, trait, etc.
This type is available if Syn is built with the "derive"
or "full"
feature.
Returns an
Iterator<Item = &
TypeParam
>
over the type parameters in self.params
.
Returns an
Iterator<Item = &mut
TypeParam
>
over the type parameters in self.params
.
Returns an
Iterator<Item = &
LifetimeDef
>
over the lifetime parameters in self.params
.
Returns an
Iterator<Item = &mut
LifetimeDef
>
over the lifetime parameters in self.params
.
Returns an
Iterator<Item = &
ConstParam
>
over the constant parameters in self.params
.
Returns an
Iterator<Item = &mut
ConstParam
>
over the constant parameters in self.params
.
Initializes an empty where
-clause if there is not one present already.
Split a type's generics into the pieces required for impl'ing a trait
for that type.
let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
quote! {
impl #impl_generics MyTrait for #name #ty_generics #where_clause {
}
}
This method is available if Syn is built with the "derive"
or
"full"
feature and the "printing"
feature.
This method tests for self
and other
values to be equal, and is used by ==
. Read more
This method tests for !=
.
Performs copy-assignment from source
. Read more
Returns the "default value" for a type. Read more
Formats the value using the given formatter. Read more
Feeds this value into the given [Hasher
]. Read more
Feeds a slice of this type into the given [Hasher
]. Read more
Write self
to the given TokenStream
. Read more
Convert self
directly into a TokenStream
object. Read more
Returns a Span
covering the complete contents of this syntax tree node, or [Span::call_site()
] if this node is empty. Read more
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
Immutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
Mutably borrows from an owned value. Read more