reader
fun CoroutineScope.reader(
coroutineContext: <ERROR CLASS> = EmptyCoroutineContext,
channel: ByteChannel,
block: suspend ReaderScope.() -> Unit
): ReaderJob
fun CoroutineScope.reader(
coroutineContext: <ERROR CLASS> = EmptyCoroutineContext,
autoFlush: Boolean = false,
block: suspend ReaderScope.() -> Unit
): ReaderJob