rsmorphy 0.4.0

/// Род
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum Gender {
    /// мужской род
    Masc,
    /// женский род
    Femn,
    /// средний род
    Neut,
}

regex!(
    TAG_RE,
    r"(?x)
    (
         masc
        |femn
        |neut
    )
"
);

impl Gender {
    pub fn try_from_str<S>(s: S) -> Option<Self>
    where
        S: AsRef<str>,
    {
        TAG_RE
            .captures_iter(s.as_ref())
            .next()
            .and_then(|cap| match &cap[1] {
                "masc" => Some(Gender::Masc),
                "femn" => Some(Gender::Femn),
                "neut" => Some(Gender::Neut),
                _ => None,
            })
    }
}