So not entirely sure if this the right place; but is there any ongoing work in rust -> swift interop (specifically to be able to code iOS widgets, which use swift only apis? Or really any preliminary thoughts on how to solve this?
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Unfortunately there is no direct interoperability with Swift, and there's no real work towards this.
Currently these two languages can only talk to each other via a C API. In Rust you export #[no_mangle] extern "C" functions, and in Swift you use ObjC bridging headers and unsafe unretained pointers to use Rust's functions and data.
You can see how GitHub - sindresorhus/Gifski: 🌈 Convert videos to high-quality GIFs on your Mac does it.
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