Function get_index_version

rust/src/lib.rs:1968–1974

(full_version: &str, index: usize)

// ----------------------------------------------------------

fn get_index_version(full_version: &str, index: usize) -> Result<String, Error> {
    let version_vec: Vec<&str> = full_version.split('.').collect();
    Ok(version_vec
        .get(index)
        .ok_or(anyhow!(format!("Wrong version: {}", full_version)))?
        .to_string())
}