ebnf 0.1.4

A successor bnf parsing library of bnf parsing library, for parsing Extended Backus–Naur form context-free grammars
Documentation 
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use serde::Serialize;

#[derive(Debug, Clone, Serialize)]
pub enum Node {
    String(String),
    RegexString(String),
    Terminal(String),
    Multiple(Vec<Node>),
    RegexExt(Box<Node>, RegexExtKind),
    Symbol(Box<Node>, SymbolKind, Box<Node>),
    Group(Box<Node>),
    Optional(Box<Node>),
    Repeat(Box<Node>),
    Unknown,
}

#[derive(Debug, Clone, Serialize)]
pub enum RegexExtKind {
    Repeat0,
    Repeat1,
    Optional,
}

#[derive(Debug, Clone, Serialize)]
pub enum SymbolKind {
    Concatenation,
    Alternation,
}