use seckey::SecBytes; fn main() { let mut secpass = SecBytes::with(8, |buf| buf.copy_from_slice(&[8; 8][..])); assert_eq!([8u8; 8], *secpass.read()); let mut wpass = secpass.write(); wpass[0] = 0; assert_eq!([0, 8, 8, 8, 8, 8, 8, 8], *wpass); }