Module liblet::grammar

Module for handling all grammar related operations.

Its goal is to emulate a formal grammar.

It defines a Grammar type which can be used to conveniently work with grammar and derivation manipulations and provide abstraction over grammar quadruple of terminal and non terminal symbols, start symbol and productions.

It can be easily constructed from &strs or collections of Symbols and Productions.

Structs

Grammar

A grammar is the main type of this module

Enums

GrammarError

Functions

grammar	Convenience function for creating a grammar from a raw string (which defines the productions of the grammar, as described in the Grammar struct documentation)
grammar_quadruple	Convenience function for creating a grammar from collections of string as in grammar new_from_string.