co3 0.4.0

Build C API from Rust
Documentation 
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use co3::ffi;

trait Kita<U> {}

struct UsedExport(u8);

impl Kita<Self> for UsedExport {}

impl UsedExport {
    fn kita(&self) {}
}

ffi! {
    #![unsafe(export("C"))]

    #[tag(u8, unsafe(8))]
    type UsedExport;

    impl<dyn(u8) U, V> Kita<U, V> for UsedExport
    where
        use<U> @ <Self>,
        use<V> @ <Self>,
    {}

    impl UsedExport {
        fn kita<dyn(u8) T, K>(self_: &K)
        where
            use<T> @ <Self>,
            use<K> @ <Self>;
    }
}

ffi! {
    #![unsafe(extern("C"))]

    #[tag(u8, unsafe(8))]
    type UsedExtern;

    impl<dyn(u8) U, V> Kita<U, V> for UsedExtern
    where
        use<U> @ <Self>,
        use<V> @ <Self>,
    {}

    impl UsedExtern {
        fn kita<dyn(u8) T, K>(self_: &K)
        where
            use<T> @ <Self>,
            use<K> @ <Self>;
    }
}

fn main() {}