Struct Cursor 

pub struct Cursor<'a> { /* private fields */ }

Cursor for recursive descent

Implementations

impl<'a> Cursor<'a>

pub fn new(trees: &'a [TokenTree]) -> Self

pub fn peek(&self) -> Option<&'a TokenTree>

Peek the next token without moving the cursor forward

pub fn peek_token(&self) -> Option<&'a TokenTreeToken>

pub fn peek_block(&self) -> Option<&'a TokenTreeBlock>

pub fn next(&mut self) -> Option<&'a TokenTree>

Advances the cursor and returns the next value.

pub fn next_token(&mut self) -> Option<&'a TokenTreeToken>

pub fn next_block(&mut self) -> Option<&'a TokenTreeBlock>

pub fn skip_next_block_of(&mut self, delimiter: Block) -> Option<()>

Skip the next block to not descent down into

pub fn enter_block_of(&mut self, delimiter: Block) -> Option<&'a TokenTreeBlock>

pub fn last(&self) -> Option<&'a TokenTree>

Yields the last value emitted by [next]

pub fn eod(&self) -> bool

True if end of data

pub fn fork(&self) -> Self

pub fn last_location(&self) -> Range<usize>

Get the location of the cursor

pub fn next_location(&self) -> Range<usize>

Trait Implementations

impl<'a> Clone for Cursor<'a>

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

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for Cursor<'a>

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

Formats the value using the given formatter.