Struct Bytes Copy item path

#[serde_as]
#[derive(Deserialize, Serialize)]
struct Test<'a> {
    #[serde_as(as = "Bytes")]
    array: [u8; 15],
    #[serde_as(as = "Bytes")]
    boxed: Box<[u8]>,
    #[serde_as(as = "Bytes")]
    #[serde(borrow)]
    cow: Cow<'a, [u8]>,
    #[serde_as(as = "Bytes")]
    #[serde(borrow)]
    cow_array: Cow<'a, [u8; 15]>,
    #[serde_as(as = "Bytes")]
    vec: Vec<u8>,
}

let value = Test {
    array: *b"0123456789ABCDE",
    boxed: b"...".to_vec().into_boxed_slice(),
    cow: Cow::Borrowed(b"FooBar"),
    cow_array: Cow::Borrowed(&[42u8; 15]),
    vec: vec![0x41, 0x61, 0x21],
};
let expected = r#"(
    array: b"0123456789ABCDE",
    boxed: b"...",
    cow: b"FooBar",
    cow_array: b"***************",
    vec: b"Aa!",
)"#;

assert_eq!(expected, ron::ser::to_string_pretty(&value, pretty_config).unwrap());
assert_eq!(value, ron::from_str(expected).unwrap());

#[serde_as]
#[derive(Deserialize, Serialize)]
struct TestBorrows<'a> {
    #[serde_as(as = "Bytes")]
    #[serde(borrow)]
    array_buf: &'a [u8; 15],
    #[serde_as(as = "Bytes")]
    #[serde(borrow)]
    buf: &'a [u8],
}

let value = TestBorrows {
    array_buf: &[10u8; 15],
    buf: &[20u8, 21u8, 22u8],
};
let expected = r#"(
    array_buf: b"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",
    buf: b"\x14\x15\x16",
)"#;

assert_eq!(expected, ron::ser::to_string_pretty(&value, pretty_config).unwrap());
// RON doesn't support borrowed deserialization of byte arrays

#[serde_as]
#[derive(Deserialize, serde::Serialize)]
struct Test {
    #[serde_as(deserialize_as = "Bytes")]
    from_bytes: Vec<u8>,
    #[serde_as(deserialize_as = "Bytes")]
    from_str: Vec<u8>,
}

// Different serialized values ...
let j = json!({
    "from_bytes": [70,111,111,45,66,97,114],
    "from_str": "Foo-Bar",
});

// can be deserialized ...
let test = Test {
    from_bytes: b"Foo-Bar".to_vec(),
    from_str: b"Foo-Bar".to_vec(),
};
assert_eq!(test, serde_json::from_value(j).unwrap());

// and serialization will always be a byte sequence
{
    "from_bytes": [70,111,111,45,66,97,114],
    "from_str": [70,111,111,45,66,97,114],
}