Function hex_digit

nodedb-cluster/src/auth/join_token.rs:140–147

(b: u8)

}

fn hex_digit(b: u8) -> Option<u8> {
    match b {
        b'0'..=b'9' => Some(b - b'0'),
        b'a'..=b'f' => Some(10 + b - b'a'),
        b'A'..=b'F' => Some(10 + b - b'A'),
        _ => None,
    }
}

#[cfg(test)]
mod tests {