support serde values

[yanns]

When we already have Value, we can avoid using the Serialize trait. This allows us:

• to avoid the usage of two panic!
• to have faster code. No need to serialize the whole tree.

As an alternative, we could also make the following function public:

pub(crate) fn diff<'a>(lhs: &'a Value, rhs: &'a Value, config: Config) -> Vec<Difference<'a>>

[davidpdrsn]

I'm curious if we could use something like Any::downcast_ref instead. Then we wouldn't have to add a whole new function.

[yanns]

Good idea!

I'm trying this:

pub fn assert_json_matches_no_panic<Lhs, Rhs>(
    lhs: &Lhs,
    rhs: &Rhs,
    config: Config,
) -> Result<(), String>
where
    Lhs: Serialize + Any,
    Rhs: Serialize + Any,

In that case, the lifetime of lhs and rhs is 'static. (https://doc.rust-lang.org/std/any/index.html)

Do you have another idea?