Enum syntax::ast::MetaItemKind [−][src]
pub enum MetaItemKind { Word, List(Vec<NestedMetaItem>), NameValue(Lit), }
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
A compile-time attribute item.
E.g. #[test]
, #[derive(..)]
or #[feature = "foo"]
Variants
Word
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Word meta item.
E.g. test
as in #[test]
List(Vec<NestedMetaItem>)
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
List meta item.
E.g. derive(..)
as in #[derive(..)]
NameValue(Lit)
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Name value meta item.
E.g. feature = "foo"
as in #[feature = "foo"]
Methods
impl MetaItemKind
[src]
impl MetaItemKind
pub fn tokens(&self, span: Span) -> TokenStream
[src]
pub fn tokens(&self, span: Span) -> TokenStream
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
fn from_tokens<I>(tokens: &mut Peekable<I>) -> Option<MetaItemKind> where
I: Iterator<Item = TokenTree>,
[src]
fn from_tokens<I>(tokens: &mut Peekable<I>) -> Option<MetaItemKind> where
I: Iterator<Item = TokenTree>,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Trait Implementations
impl Clone for MetaItemKind
[src]
impl Clone for MetaItemKind
fn clone(&self) -> MetaItemKind
[src]
fn clone(&self) -> MetaItemKind
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl Encodable for MetaItemKind
[src]
impl Encodable for MetaItemKind
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
[src]
fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl Decodable for MetaItemKind
[src]
impl Decodable for MetaItemKind
fn decode<__D: Decoder>(d: &mut __D) -> Result<MetaItemKind, __D::Error>
[src]
fn decode<__D: Decoder>(d: &mut __D) -> Result<MetaItemKind, __D::Error>
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl Debug for MetaItemKind
[src]
impl Debug for MetaItemKind
Auto Trait Implementations
impl !Send for MetaItemKind
impl !Send for MetaItemKind
impl !Sync for MetaItemKind
impl !Sync for MetaItemKind