Hey everyone, is there a way to launch coroutines ...

# multiplatform

[Tiago Nunes]

Hey everyone, is there a way to launch coroutines in Swift?

I have this function in shared:

suspend fun wait() = withContext(Dispatchers.Default) {
    delay(1000)
    true
}

How do I call this in Swift? I know I can launch a coroutine in shared and provide callbacks (and then call this in swift):

fun waitIos(onFinished: OnFinishedCallback) = GlobalScope.launch {
    val result = wait()
    onFinished.finish(result)
}

But this way I need to write lots of wrappers and use callbacks, which kind of takes the fun out of using coroutines... (in the ios side)

It makes sense if it isn't possible, I just want to make sure that it really isn't

[John O'Reilly]

following was added in Kotlin 1.4 https://kotlinlang.org/docs/whatsnew14.html#support-for-kotlin-s-suspending-functions-in-swift-and-objective-c

[John O'Reilly]

it has some caveats/limitations but might be useful for you

[Tiago Nunes]

@*John O'Reilly* Interesting... and when I call queryData it starts a coroutine and returns the job?

[John O'Reilly]

you don't unfortunately have that level of control....following goes through some of the limitations etc https://dev.to/touchlab/kotlin-1-4-suspend-functions-209

[Tiago Nunes]

That's probably the most misterious article I've read 😅 Thanks, I'll probably stay away from the feature, and hope that it gets better soon 🙂

[ribesg]

I just don’t write Swift 😄