Enum devise::MetaItem

pub enum MetaItem<'a> {
    Ident(&'a Ident),
    Literal(&'a Lit),
    KeyValue(&'a Ident, &'a Lit),
    List(MetaItemList<'a>),
}

Variants

Ident(&'a Ident)

Tuple Fields of Ident

0: &'a Ident

Literal(&'a Lit)

Tuple Fields of Literal

0: &'a Lit

KeyValue(&'a Ident, &'a Lit)

Tuple Fields of KeyValue

0: &'a Ident1: &'a Lit

List(MetaItemList<'a>)

Tuple Fields of List

0: MetaItemList<'a>

Implementations

impl<'a> MetaItem<'a>

pub fn name(&self) -> Option<&Ident>

pub fn description(&self) -> &'static str

pub fn is_bare(&self) -> bool

pub fn lit(&self) -> Result<&Lit, Diagnostic>

pub fn value_span(&self) -> Span

Trait Implementations

impl<'a> Clone for MetaItem<'a>

pub fn clone(&self) -> MetaItem<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for MetaItem<'a>

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

Formats the value using the given formatter.

impl<'a> From<&'a Meta> for MetaItem<'a>

pub fn from(meta: &Meta) -> MetaItem<'_>

Performs the conversion.

impl<'a> From<&'a NestedMeta> for MetaItem<'a>

pub fn from(nested: &NestedMeta) -> MetaItem<'_>

Performs the conversion.

impl<'a> Spanned for MetaItem<'a>

pub fn span(&self) -> Span

impl<'a> Copy for MetaItem<'a>