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Support different namespaces on different extern blocks #166

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dtolnay opened this issue Apr 28, 2020 · 1 comment

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dtolnay commented Apr 28, 2020

Currently the namespace is determined globally for an entire #[cxx::bridge] invocation.

#[cxx::bridge(namespace = path::to)]
mod ffi {...}

It would be good to be able to pull in things from multiple different namespaces at once. Something like:

#[cxx::bridge]
mod ffi {
    #[namespace = path::to::first]
    extern "C" {
        type First;
    }

    #[namespace = path::to::second]
    extern "C" {
        type Second;
    }

    #[namespace = path::to::third]
    extern "Rust" {
        fn wow(first: &First, second: &Second);
    }
}

dtolnay added the help wanted label

adetaylor mentioned this issue

Improvements to namespace support #353

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7 tasks

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dtolnay commented Oct 30, 2020

Implemented as part of #370.

dtolnay closed this as completed

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