Trait sixtyfps_compilerlib::lexer::LexingRule

pub trait LexingRule {
    fn lex(&self, text: &str, state: &mut LexState) -> usize;
}

This trait is used by the crate::parser::lex_next_token function and is implemented for rule passed to the macro which can be either a string literal, or a function

Required methods

fn lex(&self, text: &str, state: &mut LexState) -> usize

Return the size of the match for this rule, or 0 if there is no match

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Implementations on Foreign Types

impl<'a> LexingRule for &'a str

fn lex(&self, text: &str, _: &mut LexState) -> usize

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Implementors

impl<F: Fn(&str, &mut LexState) -> usize> LexingRule for F

fn lex(&self, text: &str, state: &mut LexState) -> usize

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