Struct perplex::grammar::Rule

pub struct Rule { /* fields omitted */ }

A single rule within a grammar.

Methods

impl Rule

pub fn new(name: NonterminalId, symbols: Vec<Symbol>) -> Rule

Create a new empty rule.

pub fn name(&self) -> NonterminalId

The name of this rule.

pub fn symbols(&self) -> &[Symbol]

The symbols in this production.

pub fn pretty<'a>(     &'a self,     grammar: &'a Grammar ) -> Pretty<&'a Grammar, &'a Self>

Get a pretty printer for this rule.

Trait Implementations

impl Debug for Rule

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

Formats the value using the given formatter.

impl Clone for Rule

fn clone(&self) -> Rule

Returns a copy of the value.

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

Performs copy-assignment from source.