JavaScript binary tools for any browser or environment. Copyright (c) 2023 Rafael da Silva Rocha. https://rochars.com/binary-tools
assert.deepEqual( btools.pack('2c2c', ['a','b','a','b']), [97, 98, 97, 98]);
assert.deepEqual( btools.pack('cc2c', ['a','b','a','b']), [97, 98, 97, 98]);
assert.deepEqual( btools.pack('2ccc', ['a','b','a','b']), [97, 98, 97, 98]);