Struct Empty 

pub struct Empty { /* private fields */ }

A zero-width component occupying an omitted position beside a comma.

Empty components evaluate as null but emit no token text. Their spans mark the source position at which the omitted component occurs.

Implementations

impl Empty

pub fn new(span: Span) -> Self

Creates an empty component at span.

Trait Implementations

impl Clone for Empty

fn clone(&self) -> Empty

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Empty

impl Debug for Empty

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

Formats the value using the given formatter.

impl Eq for Empty

impl Parse for Empty

fn parse(input: &mut ParseStream) -> Result<Self, TokenParseError>

impl PartialEq for Empty

fn eq(&self, other: &Empty) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Spanned for Empty

fn span(&self) -> Span

impl StructuralPartialEq for Empty

impl ToTokens for Empty

fn to_tokens(&self, _output: &mut TokenStream)

fn to_token_stream(&self) -> TokenStream

fn to_m2(&self) -> String

fn to_code(&self) -> String