use codex_percent::VecDecoder;
fn main() {
let s = "%F0%9F%92%A9";
let mut v: Vec<u8> = Vec::with_capacity(4);
let res = VecDecoder::decode(s, &mut v).unwrap();
assert_eq!(res, 4);
let t = core::str::from_utf8(v.as_slice());
assert_eq!(t, Ok("💩"));
println!("{} -> {}", s, t.unwrap());
}