Enum syn::GenericParam

pub enum GenericParam {
    Type(TypeParam),
    Lifetime(LifetimeDef),
    Const(ConstParam),
}

Available on crate features full or derive only.

A generic type parameter, lifetime, or const generic: T: Into<String>, 'a: 'b, const LEN: usize.

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(TypeParam)

A generic type parameter: T: Into<String>.

Lifetime(LifetimeDef)

A lifetime definition: 'a: 'b + 'c + 'd.

Const(ConstParam)

A const generic parameter: const LENGTH: usize.

Trait Implementations

impl Clone for GenericParam

Available on crate feature clone-impls only.

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GenericParam

Available on crate feature extra-traits only.

fn fmt(&self, formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<ConstParam> for GenericParam

fn from(e: ConstParam) -> GenericParam

Converts to this type from the input type.

impl From<LifetimeDef> for GenericParam

fn from(e: LifetimeDef) -> GenericParam

Converts to this type from the input type.

impl From<TypeParam> for GenericParam

fn from(e: TypeParam) -> GenericParam

Converts to this type from the input type.

impl Hash for GenericParam

Available on crate feature extra-traits only.

fn hash<H>(&self, state: &mut H)where H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Parse for GenericParam

Available on crate feature parsing only.

fn parse(input: ParseStream<'_>) -> Result<Self>

impl PartialEq<GenericParam> for GenericParam

Available on crate feature extra-traits only.

fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl ToTokens for GenericParam

Available on crate feature printing only.

fn to_tokens(&self, tokens: &mut TokenStream)

Write self to the given TokenStream.

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object.

fn into_token_stream(self) -> TokenStreamwhere Self: Sized,

Convert self directly into a TokenStream object.

impl Eq for GenericParam

Available on crate feature extra-traits only.