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PATH: usr / local / lib / node_modules / ghost-cli / node_modules / rxjs / src / internal / observable

import { Observable } from '../Observable';
import { noop } from '../util/noop';

/**
 * An Observable that emits no items to the Observer and never completes.
 *
 * ![](never.png)
 *
 * A simple Observable that emits neither values nor errors nor the completion
 * notification. It can be used for testing purposes or for composing with other
 * Observables. Please note that by never emitting a complete notification, this
 * Observable keeps the subscription from being disposed automatically.
 * Subscriptions need to be manually disposed.
 *
 * ##  Example
 * ### Emit the number 7, then never emit anything else (not even complete)
 * ```ts
 * import { NEVER } from 'rxjs';
 * import { startWith } from 'rxjs/operators';
 *
 * function info() {
 *   console.log('Will not be called');
 * }
 * const result = NEVER.pipe(startWith(7));
 * result.subscribe(x => console.log(x), info, info);
 *
 * ```
 *
 * @see {@link Observable}
 * @see {@link index/EMPTY}
 * @see {@link of}
 * @see {@link throwError}
 */
export const NEVER = new Observable<never>(noop);

/**
 * @deprecated Deprecated in favor of using {@link NEVER} constant.
 */
export function never () {
  return NEVER;
}

[-] never.ts [edit]
[-] timer.ts [edit]
[-] range.ts [edit]
[-] using.ts [edit]
[-] SubscribeOnObservable.ts [edit]
[-] empty.ts [edit]
[-] of.ts [edit]
[+] dom
[+] ..
[-] partition.ts [edit]
[-] bindCallback.ts [edit]
[-] iif.ts [edit]
[-] combineLatest.ts [edit]
[-] fromArray.ts [edit]
[-] pairs.ts [edit]
[-] forkJoin.ts [edit]
[-] fromEventPattern.ts [edit]
[-] fromEvent.ts [edit]
[-] defer.ts [edit]
[-] concat.ts [edit]
[-] onErrorResumeNext.ts [edit]
[-] interval.ts [edit]
[-] from.ts [edit]
[-] merge.ts [edit]
[-] ConnectableObservable.ts [edit]
[-] fromObservable.ts [edit]
[-] fromPromise.ts [edit]
[-] generate.ts [edit]
[-] zip.ts [edit]
[-] bindNodeCallback.ts [edit]
[-] fromIterable.ts [edit]
[-] throwError.ts [edit]
[-] race.ts [edit]