There seems to be a problem when using Kotlin.Resu...

# compose-desktop

[Ali Albaali]

There seems to be a problem when using Kotlin.Result with CfD
by running the code below, the first call will work and print "success" just fine, however the second will throw an exception.
output in the reply.

public suspend fun main() {

    getImage()
        .fold(
            onSuccess = { println("success") },
            onFailure = { println("failure") }
        )

    Window {
        LaunchedEffect(null) {
            getImage()
                .fold(
                    onSuccess = { println("success") },
                    onFailure = { println("failure") }
                )
        }
    }
}
public suspend fun getImage(): Result<ByteReadChannel> = runCatching<ByteReadChannel> {
    client.get<ByteReadChannel>("<https://i.redd.it/22bexa3ozc461.png>")
}

[Ali Albaali]

Output of this:

success
Exception in thread "AWT-EventQueue-0 @coroutine#9" java.lang.ClassCastException: kotlin.Result incompatible with io.ktor.utils.io.ByteReadChannel
	at MainKt$main$4$1$1.invokeSuspend(main.kt:84)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at io.ktor.util.pipeline.SuspendFunctionGun.resumeRootWith(SuspendFunctionGun.kt:188)
	at io.ktor.util.pipeline.SuspendFunctionGun.loop(SuspendFunctionGun.kt:144)
	at io.ktor.util.pipeline.SuspendFunctionGun.access$loop(SuspendFunctionGun.kt:15)
	at io.ktor.util.pipeline.SuspendFunctionGun$continuation$1.resumeWith(SuspendFunctionGun.kt:90)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
	at io.ktor.util.pipeline.SuspendFunctionGun.resumeRootWith(SuspendFunctionGun.kt:188)
	at io.ktor.util.pipeline.SuspendFunctionGun.loop(SuspendFunctionGun.kt:144)
	at io.ktor.util.pipeline.SuspendFunctionGun.access$loop(SuspendFunctionGun.kt:15)
	at io.ktor.util.pipeline.SuspendFunctionGun$continuation$1.resumeWith(SuspendFunctionGun.kt:90)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
	at io.ktor.util.pipeline.SuspendFunctionGun.resumeRootWith(SuspendFunctionGun.kt:188)
	at io.ktor.util.pipeline.SuspendFunctionGun.loop(SuspendFunctionGun.kt:144)
	at io.ktor.util.pipeline.SuspendFunctionGun.access$loop(SuspendFunctionGun.kt:15)
	at io.ktor.util.pipeline.SuspendFunctionGun$continuation$1.resumeWith(SuspendFunctionGun.kt:90)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
	at io.ktor.util.pipeline.SuspendFunctionGun.resumeRootWith(SuspendFunctionGun.kt:188)
	at io.ktor.util.pipeline.SuspendFunctionGun.loop(SuspendFunctionGun.kt:144)
	at io.ktor.util.pipeline.SuspendFunctionGun.access$loop(SuspendFunctionGun.kt:15)
	at io.ktor.util.pipeline.SuspendFunctionGun$continuation$1.resumeWith(SuspendFunctionGun.kt:90)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:46)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:704)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)

[jim]

cc @Leland Richardson [G] Potentially related to b/174056197?

[Leland Richardson [G]]

@jim i don’t think so as there is nothing compose specific here. this is very possibly an IR bug based on this minimal repro. One could verify by running this through IR backend without the compose plugin