Enum MetaItemOrLitParser 

pub enum MetaItemOrLitParser<'a> {
    MetaItemParser(MetaItemParser<'a>),
    Lit(MetaItemLit),
    Err(Span, ErrorGuaranteed),
}

Inside lists, values could be either literals, or more deeply nested meta items. This enum represents that.

Choose which one you want using the provided methods.

Variants

MetaItemParser(MetaItemParser<'a>)

Lit(MetaItemLit)

Err(Span, ErrorGuaranteed)

Implementations

impl<'sess> MetaItemOrLitParser<'sess>

pub fn parse_single( parser: &mut Parser<'sess>, should_emit: ShouldEmit, ) -> PResult<'sess, MetaItemOrLitParser<'static>>

pub fn span(&self) -> Span

pub fn lit(&self) -> Option<&MetaItemLit>

pub fn meta_item(&self) -> Option<&MetaItemParser<'sess>>

Trait Implementations

impl<'a> Clone for MetaItemOrLitParser<'a>

fn clone(&self) -> MetaItemOrLitParser<'a>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for MetaItemOrLitParser<'a>

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

Formats the value using the given formatter.

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 80 bytes

Size for each variant:

• MetaItemParser: 80 bytes
• Lit: 40 bytes
• Err: 8 bytes