Struct MetaItemListParser 

pub struct MetaItemListParser {
    sub_parsers: ThinVec<MetaItemOrLitParser>,
    pub span: Span,
}

Fields

sub_parsers: ThinVec<MetaItemOrLitParser>

span: Span

Implementations

impl MetaItemListParser

pub(crate) fn new<'sess>( tokens: &TokenStream, span: Span, psess: &'sess ParseSess, should_emit: ShouldEmit, ) -> Result<Self, Diag<'sess>>

pub fn mixed(&self) -> impl Iterator<Item = &MetaItemOrLitParser>

Lets you pick and choose as what you want to parse each element in the list

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn single(&self) -> Option<&MetaItemOrLitParser>

Returns Some if the list contains only a single element.

Inside the Some is the parser to parse this single element.

Trait Implementations

impl Clone for MetaItemListParser

fn clone(&self) -> MetaItemListParser

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MetaItemListParser

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: 16 bytes