Requirements for Rust library compatability?

[jcdc404]

I'm curious if there is a list of things that will enable to be compatible with or preclude a library from being compatible with wasm and wasm-bindgen?

I am currrently trying to get ed25519_dalek to work. It compiles fine, but I get an error from the browser "RuntimeError: unreachable executed" which is cryptic at best. The particular points in code it points to are wasm.__bingen_start() and finalizeInit(instance, module). I was curious if it's possible that the library just isn't compatible and if I could possibly fix that.

[jcdc404]

I'm thinking this is just a bad question. Debugging should potentially point to the reason there is a problem.