Function parse_value

src/helper.rs:315–323

(
    line: &str,
    start: usize,
    end: usize,
    helper: &MyHelper,
)

    }
}
fn parse_value(
    line: &str,
    start: usize,
    end: usize,
    helper: &MyHelper,
) -> Option<(usize, Partial)> {
    let v = line[start..end].parse::<Exp>().ok()?.eval(helper).ok()?;
    Some((end, Partial::Val(v, line[end..].to_string())))
}
fn match_selector(v: &IDLValue, prefix: &str) -> Vec<Pair> {
    match v {
        IDLValue::Opt(_) => vec![Pair {