Struct Parser 

pub struct Parser<Token> { /* private fields */ }

Generic parser combining lexer with grammar rules

Implementations

impl<Token> Parser<Token>

pub fn new(tokens: Vec<Token>) -> Self

pub fn peek(&self) -> Option<&Token>

Peek at current token without consuming

pub fn next_token(&mut self) -> Option<&Token>

Advance and return current token

pub fn is_at_end(&self) -> bool

Check if we’re at the end of input

pub fn token_position(&self) -> usize

Get current position in token stream

pub fn reset_to(&mut self, pos: usize)

Reset to a previous position (for backtracking)