Trait syntex_syntax::attr::AttrMetaMethods
[−]
[src]
pub trait AttrMetaMethods { fn name(&self) -> InternedString; fn value_str(&self) -> Option<InternedString>; fn meta_item_list(&self) -> Option<&[P<MetaItem>]>; fn span(&self) -> Span; fn check_name(&self, name: &str) -> bool { ... } }
Required Methods
fn name(&self) -> InternedString
Retrieve the name of the meta item, e.g. foo
in #[foo]
,
#[foo="bar"]
and #[foo(bar)]
fn value_str(&self) -> Option<InternedString>
Gets the string value if self is a MetaNameValue variant containing a string, otherwise None.
fn meta_item_list(&self) -> Option<&[P<MetaItem>]>
Gets a list of inner meta items from a list MetaItem type.