Enum syntax::ast::MetaItemKind

pub enum MetaItemKind {
    Word,
    List(Vec<NestedMetaItem>),
    NameValue(Lit),
}

A compile-time attribute item.

E.g., #[test], #[derive(..)] or #[feature = "foo"].

Variants

Word

Word meta item.

E.g., test as in #[test].

List(Vec<NestedMetaItem>)

List meta item.

E.g., derive(..) as in #[derive(..)].

NameValue(Lit)

Name value meta item.

E.g., feature = "foo" as in #[feature = "foo"].

Methods

impl MetaItemKind

pub fn tokens(&self, span: Span) -> TokenStream

Trait Implementations

impl Clone for MetaItemKind

fn clone(&self) -> MetaItemKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for MetaItemKind

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Encodable for MetaItemKind

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>

impl Decodable for MetaItemKind

fn decode<__D: Decoder>(d: &mut __D) -> Result<MetaItemKind, __D::Error>