Function decode_nlbb

pub fn decode_nlbb(c: char) -> u8

Translate a binary representation to u8 using the nlbb encoding

nlbb: most significant nibble left, most significant bit bottom

Left	Right
16	1
32	2
64	4
128	8

use bbd_lib::*;

assert_eq!(
    "\
        ⠀⠈⠐⠘⠠⠨⠰⠸⢀⢈⢐⢘⢠⢨⢰⢸⠁⠉⠑⠙⠡⠩⠱⠹⢁⢉⢑⢙⢡⢩⢱⢹⠂⠊⠒⠚⠢⠪⠲⠺⢂⢊⢒⢚⢢⢪⢲⢺⠃⠋⠓⠛⠣⠫⠳⠻⢃⢋⢓⢛⢣⢫⢳⢻\
        ⠄⠌⠔⠜⠤⠬⠴⠼⢄⢌⢔⢜⢤⢬⢴⢼⠅⠍⠕⠝⠥⠭⠵⠽⢅⢍⢕⢝⢥⢭⢵⢽⠆⠎⠖⠞⠦⠮⠶⠾⢆⢎⢖⢞⢦⢮⢶⢾⠇⠏⠗⠟⠧⠯⠷⠿⢇⢏⢗⢟⢧⢯⢷⢿\
        ⡀⡈⡐⡘⡠⡨⡰⡸⣀⣈⣐⣘⣠⣨⣰⣸⡁⡉⡑⡙⡡⡩⡱⡹⣁⣉⣑⣙⣡⣩⣱⣹⡂⡊⡒⡚⡢⡪⡲⡺⣂⣊⣒⣚⣢⣪⣲⣺⡃⡋⡓⡛⡣⡫⡳⡻⣃⣋⣓⣛⣣⣫⣳⣻\
        ⡄⡌⡔⡜⡤⡬⡴⡼⣄⣌⣔⣜⣤⣬⣴⣼⡅⡍⡕⡝⡥⡭⡵⡽⣅⣍⣕⣝⣥⣭⣵⣽⡆⡎⡖⡞⡦⡮⡶⡾⣆⣎⣖⣞⣦⣮⣶⣾⡇⡏⡗⡟⡧⡯⡷⡿⣇⣏⣗⣟⣧⣯⣷⣿\
    ".chars().map(|x| decode_nlbb(x)).collect::<Vec<u8>>(),
    (0..=255).collect::<Vec<u8>>());