Method try_from

src/key_codes.rs:223–226

(ii: u8)

impl TryFrom<u8> for KeyCode {
    type Error = String;
    fn try_from(ii: u8) -> Result<KeyCode, Self::Error> {
        let x: u32 = u32::from(ii) + UNICODE_BELOW_256;
        return x.try_into();
    }
}
/// KeyCodes not being used by anything by default
/// so you're free to use these to assign macros/tapdances/leaders