Does the JVM backend ever generate calls to `ContinuationImpl(continuation, context)`? If not, why i...

# compiler

[Youssef Shoaib [MOD]]

Does the JVM backend ever generate calls to ContinuationImpl(continuation, context)? If not, why isn't that constructor private?

[ephemient]

https://github.com/JetBrains/kotlin/blob/d18672bfb1cc6596acc7c5fac67d86ddd5b99529/libraries/stdlib/jvm/src/kotlin/coroutines/intrinsics/IntrinsicsJvm.kt#L264-L268 https://github.com/JetBrains/kotlin/blob/c77930c1ea099c31a28b356371716ec1998d8929/kotlin-native/runtime/src/main/kotlin/kotlin/coroutines/intrinsics/IntrinsicsNative.kt#L319-L323 are direct usages of that constructor, which wouldn't work if it were private

[Youssef Shoaib [MOD]]

I think? that ContinuationImpl is duplicated in JVM and Native, so the usages you've highlighted are only for Native.

[Youssef Shoaib [MOD]]

Okay good IntrinsicsJVM does the same thing:
https://github.com/JetBrains/kotlin/blob/master/libraries%2Fstdlib%2Fjvm%2Fsrc%2Fkotlin%2Fcoroutines%2Fintrinsics%2FIntrinsicsJvm.kt

[Youssef Shoaib [MOD]]

I do always wonder why these classes are duplicated. I know JS and WasmJS has a different (also duplicated) implementation. Probably historical reasons?
In fact, the JS implementation is also stranger, for reasons I don't quite understand. It uses fields to call its equivalent of invokeSuspend, and it doesn't use Result for those fields for some reason