Struct Language 

pub struct Language {
    pub name: &'static str,
    pub extensions: &'static [&'static str],
    pub aliases: &'static [&'static str],
}

One language family: canonical name, filename extensions, documented value aliases (rs reads as rust).

Fields

name: &'static str

extensions: &'static [&'static str]

aliases: &'static [&'static str]