import {
  concreteStream,
  StreamInternal
} from "@effect/core/stream/Stream/operations/_internal/StreamInternal"

/**
 * Converts this stream to a stream that executes its effects but emits no
 * elements. Useful for sequencing effects using streams.
 *
 * @tsplus getter effect/core/stream/Stream drain
 */
export function drain<R, E, A>(self: Stream<R, E, A>): Stream<R, E, never> {
  concreteStream(self)
  return new StreamInternal(self.channel.drain)
}