Enum syn::GenericArgument [−][src]
pub enum GenericArgument { Lifetime(Lifetime), Type(Type), Binding(Binding), Constraint(Constraint), Const(Expr), }
This is supported on crate features
full
or derive
only.Expand description
An individual generic argument, like 'a
, T
, or Item = T
.
This type is available only if Syn is built with the "derive"
or "full"
feature.
Variants
Lifetime(Lifetime)
A lifetime argument.
Type(Type)
A type argument.
Binding(Binding)
A binding (equality constraint) on an associated type: the Item = u8
in Iterator<Item = u8>
.
Constraint(Constraint)
An associated type bound: Iterator<Item: Display>
.
Const(Expr)
A const expression. Must be inside of a block.
NOTE: Identity expressions are represented as Type arguments, as they are indistinguishable syntactically.
Trait Implementations
This is supported on crate feature
clone-impls
only.This is supported on crate feature
extra-traits
only.This is supported on crate feature
extra-traits
only.This is supported on crate feature
parsing
only.This is supported on crate feature
extra-traits
only.This is supported on crate feature
printing
only.This is supported on crate feature
extra-traits
only.Auto Trait Implementations
impl RefUnwindSafe for GenericArgument
impl !Send for GenericArgument
impl !Sync for GenericArgument
impl Unpin for GenericArgument
impl UnwindSafe for GenericArgument
Blanket Implementations
Mutably borrows from an owned value. Read more