fn main() {

    // Using a heapless vec, we can parse directly to the stack.

    let doc: HeaplessDocument<'_, 3> =

        HeaplessDocument::from_json(r#"{"hello": "world"}"#).expect("invalid json");

    let mut nodes = doc.into_iter();

    assert_eq!(nodes.next(), Some(Node::Object { length: 1 }));

    assert_eq!(nodes.next(), Some(Node::String(JsonString::from("hello"))));

    assert_eq!(nodes.next(), Some(Node::String(JsonString::from("world"))));

    let error = HeaplessDocument::<3>::from_json("[1, 2, 3, 4]").expect_err("shouldn't have space");

    assert_eq!(error.kind(), &ErrorKind::PaylodTooLarge);

}

#[test]

fn runs() {

    main();

}