monix.reactive.internal.builders.NeverObservable.scala Maven / Gradle / Ivy
/*
* Copyright (c) 2014-2020 by The Monix Project Developers.
* See the project homepage at: https://monix.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package monix.reactive.internal.builders
import monix.execution.Cancelable
import monix.reactive.Observable
import monix.reactive.observers.Subscriber
/** An observable that only signals `onComplete` */
private[reactive] object NeverObservable extends Observable[Nothing] {
def unsafeSubscribeFn(subscriber: Subscriber[Nothing]): Cancelable =
Cancelable.empty
}