#[derive(Clone)]
pub enum Token {
    Normal(String),
    Bold(String),
    Italic(String),
    Monospace(String),
    Math(String),
    InternalLink { label: String, path: String },
    ExternalLink { label: String, path: String },
}

impl AsRef<str> for Token {
    fn as_ref(&self) -> &str {
        match self {
            Token::Normal(text) => text,
            Token::Bold(text) => text,
            Token::Italic(text) => text,
            Token::Monospace(text) => text,
            Token::Math(text) => text,
            Token::InternalLink { label, path } => match label.is_empty() {
                true => path,
                false => label,
            },
            Token::ExternalLink { label, path } => match label.is_empty() {
                true => path,
                false => label,
            },
        }
    }
}