CombineTransformLatest.kt

import kotlin.experimental.ExperimentalTypeInference

@OptIn(ExperimentalTypeInference::class, ExperimentalCoroutinesApi::class)
inline fun <reified T, R> combineTransformLatest(
    vararg flows: Flow<T>,
    @BuilderInference noinline transform: suspend FlowCollector<R>.(Array<T>) -> Unit
): Flow<R> {
    return combine(*flows) { it }
        .transformLatest(transform)
}

@OptIn(ExperimentalTypeInference::class)
fun <T1, T2, R> combineTransformLatest(
    flow: Flow<T1>,
    flow2: Flow<T2>,
    @BuilderInference transform: suspend FlowCollector<R>.(T1, T2) -> Unit
): Flow<R> {
    return combineTransformLatest(flow, flow2) { args ->
        @Suppress("UNCHECKED_CAST")
        transform(
            args[0] as T1,
            args[1] as T2
        )
    }
}