Struct PunctJoint 

pub struct PunctJoint<const C: char>;

A single character punctuation token where the lexer joined it with the next Punct or a single quote followed by a identifier (rust lifetime).

Example

// The TokenStream::from_str() keeps the ':::'
let mut token_iter = ":::".to_token_iter();

let colon = PunctJoint::<':'>::parse(&mut token_iter).unwrap();
let colon = PunctJoint::<':'>::parse(&mut token_iter).unwrap();
let colon = PunctAny::<':'>::parse(&mut token_iter).unwrap();

// Caveat: The quote! macro won't join ':::' together
// let mut token_iter = quote::quote! {:::}.into_iter();
//
// let colon = PunctJoint::<':'>::parse(&mut token_iter).unwrap();
// let colon = PunctAny::<':'>::parse(&mut token_iter).unwrap();
// let colon = PunctAny::<':'>::parse(&mut token_iter).unwrap();

Implementations

impl<const C: char> PunctJoint<C>

pub const fn new() -> PunctJoint<C>

Create a new PunctJoint object.

pub const fn as_char(&self) -> char

Get the char value this object represents.

Trait Implementations

impl<const C: char> Clone for PunctJoint<C>

fn clone(&self) -> PunctJoint<C>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<const C: char> Debug for PunctJoint<C>

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

Formats the value using the given formatter.

impl<const C: char> Default for PunctJoint<C>

fn default() -> PunctJoint<C>

Returns the “default value” for a type.

impl<const C: char> From<PunctJoint<C>> for TokenTree

Convert a PunctJoint object into a TokenTree.

fn from(_: PunctJoint<C>) -> TokenTree

Converts to this type from the input type.

impl<const C: char> Parser for PunctJoint<C>

fn parser( tokens: &mut ShadowCountedIter<'_, <TokenStream as IntoIterator>::IntoIter>, ) -> Result<PunctJoint<C>, Error>

The actual parsing function that must be implemented. This mutates the tokens iterator directly. It should not be called from user code except for implementing parsers itself and then only when the rules below are followed.

impl<const C: char> ToTokens for PunctJoint<C>

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

Write &self to the given TokenStream.

fn to_token_iter( &self, ) -> ShadowCountedIter<'_, <TokenStream as IntoIterator>::IntoIter>

Convert &self into a TokenIter object.

fn into_token_iter<'a>( self, ) -> ShadowCountedIter<'a, <TokenStream as IntoIterator>::IntoIter>

where Self: Sized,

Convert self into a TokenIter object.

fn to_token_stream(&self) -> TokenStream

Convert &self into a TokenStream object.

fn into_token_stream(self) -> TokenStream

where Self: Sized,

Convert self into a TokenStream object.

fn tokens_to_string(&self) -> String

Convert &self into a String object. This is mostly used in the test suite to compare the outputs. When the input is a &str then this parses it and returns a normalized String.