Deeper Rust integration and object interoperability

[raviqqe]

Examples

struct Foo {
    // ...
}

impl Foo {
    fn bar(&self) {
        // ...
    }
}

Engine::new(heap, &mut [Foo::bar.into_any_fn()]);

Then, in the Scheme side:

(import (scheme rust))

(foo-bar foo)

References

• https://www.reddit.com/r/scheme/comments/1hl8z7i/stak_scheme_an_embeddable_r7rs_scheme_for_rust/