let mut generator = try!(OsRng::new()); // Uses '/dev/urandom' on Unix-like systems.
generator.fill_bytes(bytes.as_mut_slice_());
Ok(bytes)
let mut generator = try!(OsRng::new()); // Uses '/dev/urandom' on Unix-like systems.
generator.fill_bytes(bytes.as_mut_slice_());
Ok(bytes)