Function bbd_lib::decode_nlbt

pub fn decode_nlbt(c: char) -> u8

Translate a binary representation to u8 using the nlbt encoding

nlbt: most significant nibble left, most significant bit top

Left	Right
128	8
64	4
32	2
16	1

use bbd_lib::*;

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