https://www.ospreylang.dev/docs/tutorials/swift-interop/ https://www.ospreylang.dev/assets/videos/osprey-swift-interop-poster.jpg Osprey and Swift interop: Mac and iPhone app tutorial A three-minute video tutorial. Osprey exports compile to a C header that Swift calls, Swift @_cdecl functions become Osprey imports, and one Xcode target ships the same app to the Mac and the iPhone. https://www.ospreylang.dev/assets/videos/osprey-swift-interop.mp4 194 2026-10-20T20:32:57+11:00 yes no no Osprey Swift SwiftUI macOS iOS C interop @_cdecl Xcode algebraic effects