In Kotlin Coroutine Confidence <@U030S9809PH> off ...

# coroutines

[Don Mitchell]

In Kotlin Coroutine Confidence @Sam off the cuff says that IntelliJ shows potentially blocking coroutine calls. I don't see that nor how to enable it. Is it only in AndroidStudio or am I missing it?
I even put Thread.sleep(999) in a suspend method and intelliJ didn't slap my hand.

[kevin.cianfarini]

I think mostly this is detected when a function throws Java's IOException iirc

[kevin.cianfarini]

It's not perfect.

[Sam]

Here's what I get in IDEA 2024.3.5 (CE). The yellow highlight is always there; the tooltip with the warning shows up on mouseover. Very interested to hear if you get a different result!

[Sam]

I agree with Kevin though, the IDE warnings can be inconsistent, they're definitely not perfect

[Don Mitchell]

hmm, IntelliJ IDEA 2024.3.5 (Ultimate Edition), Kotlin plugin: K2 mode

[Don Mitchell]

found the setting but it's enabled

[Sam]

🤦 sounds like K2 mode is what makes the difference. I've been avoiding it, because it's missing features I need, and indeed when I turn it on that warning goes away

[Sam]

Thanks for spotting the discrepancy! Guess I'll need to add another caveat to the book 😞

[Don Mitchell]

hopefully it will be fixed before the book goes GA

[Sam]

We can hope 😄🤞 I have a feeling the list of missing IDE inspections/warnings/refactorings in K2 mode is getting quite long at this point

[Sam]

You'd think they would have fixed it before K2 went GA, but there you go…

[Don Mitchell]

Yeah, I dont rmember why i turned it on but something wasn't working and some intellij page said k2 would fix it iirc

[ephemient]

the heuristic behind that inspection is pretty incomplete anyhow

[ephemient]

https://youtrack.jetbrains.com/issue/KTIJ-843/Inappropriate-thread-blocking-method-call-does-not-catch-Kotlin-stdlib-IO-usage