mapIndexedNotNull
fun <E, R : Any> ReceiveChannel<E>.mapIndexedNotNull(
context: CoroutineContext = Unconfined,
transform: suspend (index: Int, E) -> R?
): ReceiveChannel<R> (source)Platform and version requirements: JVM
Returns a channel containing only the non-null results of applying the given transform function to each element and its index in the original channel.
Parameters
transform -
function that takes the index of an element and the element itself and returns the result of the transform applied to the element.
The operation is intermediate and stateless. This function consumes all elements of the original ReceiveChannel.