livebook/elixirkit/demo/rel/swift/Sources/Demo/Demo.swift

import Foundation
import ElixirKit

@main
struct Demo {
    public static func main() {
        // Capture ctrl+c
        signal(SIGINT) { signal in
            ElixirKit.API.stop()
            exit(signal)
        }

        ElixirKit.API.start(
            name: "demo",
            readyHandler: {
                ElixirKit.API.publish("log", "Hello from Swift!")

                ElixirKit.API.addObserver(queue: .main) { (name, data) in
                    switch name {
                    case "log":
                        print("[client] " + data)
                    default:
                        fatalError("unknown event \(name)")
                    }
                }
            }
        )

        ElixirKit.API.waitUntilExit()
    }
}