#[derive(PartialEq)]
pub(super) enum Syntax {
Proto2,
Proto3,
}
impl From<Option<&str>> for Syntax {
fn from(optional_str: Option<&str>) -> Self {
match optional_str {
None | Some("proto2") => Syntax::Proto2,
Some("proto3") => Syntax::Proto3,
Some(s) => panic!("unknown syntax: {s}"),
}
}
}