Struct LexerRuleTable 

pub struct LexerRuleTable {
    pub rules: Vec<LexerRule>,
}

A lexer rule table.

Fields

rules: Vec<LexerRule>

All rules in this table

Implementations

impl LexerRuleTable

pub fn new() -> Self

Create a new empty table.

pub fn add(&mut self, rule: LexerRule)

Add a rule.

pub fn find_rule(&self, c: char) -> Option<&LexerRule>

Find the first rule whose start class matches a character.

pub fn len(&self) -> usize

Returns the number of rules.

pub fn is_empty(&self) -> bool

Returns true if the table is empty.

Trait Implementations

impl Default for LexerRuleTable

fn default() -> Self

Returns the “default value” for a type.