Trait turtle_syntax::lexing::Tokens

pub trait Tokens<F> {
    type Error: Debug;
    fn peek(&mut self) -> Result<Loc<Option<&Token>, F>, Loc<Self::Error, F>>;
    fn next(&mut self) -> Result<Loc<Option<Token>, F>, Loc<Self::Error, F>>;
}

Stream of token, with lookahead.

Associated Types

type Error: Debug

Required methods

fn peek(&mut self) -> Result<Loc<Option<&Token>, F>, Loc<Self::Error, F>>

fn next(&mut self) -> Result<Loc<Option<Token>, F>, Loc<Self::Error, F>>

Implementors

impl<F: Clone, E: Debug, C: Iterator<Item = Result<DecodedChar, E>>> Tokens<F> for Lexer<F, E, C>

type Error = Error<E>