Module node

Contains the implementation of the Node enum and the functions to calculate the nullability, prefix, suffix and factors sets of a regular expression tree.

Enums

Node

The Node enum represents the different types of nodes that can be used in a regular expression tree.

Functions

factors_set

The factors_set function returns the set of SetTerminal that are factors of a regular expression tree.

nullability_set

The nullability_set function returns the set of SetTerminal that are nullable in a regular expression tree.

prefix_set

The prefix_set function returns the set of SetTerminal that are prefixes of a regular expression tree.

suffix_set

The suffix_set function returns the set of SetTerminal that are suffixes of a regular expression tree.