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-import { Observable } from '../Observable';
-import { ObservableInput, SchedulerLike} from '../types';
-import { isScheduler } from '../util/isScheduler';
-import { mergeAll } from '../operators/mergeAll';
-import { fromArray } from './fromArray';
-
-/* tslint:disable:max-line-length */
-export function merge<T>(v1: ObservableInput<T>, scheduler?: SchedulerLike): Observable<T>;
-export function merge<T>(v1: ObservableInput<T>, concurrent?: number, scheduler?: SchedulerLike): Observable<T>;
-export function merge<T, T2>(v1: ObservableInput<T>, v2: ObservableInput<T2>, scheduler?: SchedulerLike): Observable<T | T2>;
-export function merge<T, T2>(v1: ObservableInput<T>, v2: ObservableInput<T2>, concurrent?: number, scheduler?: SchedulerLike): Observable<T | T2>;
-export function merge<T, T2, T3>(v1: ObservableInput<T>, v2: ObservableInput<T2>, v3: ObservableInput<T3>, scheduler?: SchedulerLike): Observable<T | T2 | T3>;
-export function merge<T, T2, T3>(v1: ObservableInput<T>, v2: ObservableInput<T2>, v3: ObservableInput<T3>, concurrent?: number, scheduler?: SchedulerLike): Observable<T | T2 | T3>;
-export function merge<T, T2, T3, T4>(v1: ObservableInput<T>, v2: ObservableInput<T2>, v3: ObservableInput<T3>, v4: ObservableInput<T4>, scheduler?: SchedulerLike): Observable<T | T2 | T3 | T4>;
-export function merge<T, T2, T3, T4>(v1: ObservableInput<T>, v2: ObservableInput<T2>, v3: ObservableInput<T3>, v4: ObservableInput<T4>, concurrent?: number, scheduler?: SchedulerLike): Observable<T | T2 | T3 | T4>;
-export function merge<T, T2, T3, T4, T5>(v1: ObservableInput<T>, v2: ObservableInput<T2>, v3: ObservableInput<T3>, v4: ObservableInput<T4>, v5: ObservableInput<T5>, scheduler?: SchedulerLike): Observable<T | T2 | T3 | T4 | T5>;
-export function merge<T, T2, T3, T4, T5>(v1: ObservableInput<T>, v2: ObservableInput<T2>, v3: ObservableInput<T3>, v4: ObservableInput<T4>, v5: ObservableInput<T5>, concurrent?: number, scheduler?: SchedulerLike): Observable<T | T2 | T3 | T4 | T5>;
-export function merge<T, T2, T3, T4, T5, T6>(v1: ObservableInput<T>, v2: ObservableInput<T2>, v3: ObservableInput<T3>, v4: ObservableInput<T4>, v5: ObservableInput<T5>, v6: ObservableInput<T6>, scheduler?: SchedulerLike): Observable<T | T2 | T3 | T4 | T5 | T6>;
-export function merge<T, T2, T3, T4, T5, T6>(v1: ObservableInput<T>, v2: ObservableInput<T2>, v3: ObservableInput<T3>, v4: ObservableInput<T4>, v5: ObservableInput<T5>, v6: ObservableInput<T6>, concurrent?: number, scheduler?: SchedulerLike): Observable<T | T2 | T3 | T4 | T5 | T6>;
-export function merge<T>(...observables: (ObservableInput<T> | SchedulerLike | number)[]): Observable<T>;
-export function merge<T, R>(...observables: (ObservableInput<any> | SchedulerLike | number)[]): Observable<R>;
-/* tslint:enable:max-line-length */
-/**
- * Creates an output Observable which concurrently emits all values from every
- * given input Observable.
- *
- * <span class="informal">Flattens multiple Observables together by blending
- * their values into one Observable.</span>
- *
- * ![](merge.png)
- *
- * `merge` subscribes to each given input Observable (as arguments), and simply
- * forwards (without doing any transformation) all the values from all the input
- * Observables to the output Observable. The output Observable only completes
- * once all input Observables have completed. Any error delivered by an input
- * Observable will be immediately emitted on the output Observable.
- *
- * ## Examples
- * ### Merge together two Observables: 1s interval and clicks
- * ```javascript
- * import { merge, fromEvent, interval } from 'rxjs';
- *
- * const clicks = fromEvent(document, 'click');
- * const timer = interval(1000);
- * const clicksOrTimer = merge(clicks, timer);
- * clicksOrTimer.subscribe(x => console.log(x));
- *
- * // Results in the following:
- * // timer will emit ascending values, one every second(1000ms) to console
- * // clicks logs MouseEvents to console everytime the "document" is clicked
- * // Since the two streams are merged you see these happening
- * // as they occur.
- * ```
- *
- * ### Merge together 3 Observables, but only 2 run concurrently
- * ```javascript
- * import { merge, interval } from 'rxjs';
- * import { take } from 'rxjs/operators';
- *
- * const timer1 = interval(1000).pipe(take(10));
- * const timer2 = interval(2000).pipe(take(6));
- * const timer3 = interval(500).pipe(take(10));
- * const concurrent = 2; // the argument
- * const merged = merge(timer1, timer2, timer3, concurrent);
- * merged.subscribe(x => console.log(x));
- *
- * // Results in the following:
- * // - First timer1 and timer2 will run concurrently
- * // - timer1 will emit a value every 1000ms for 10 iterations
- * // - timer2 will emit a value every 2000ms for 6 iterations
- * // - after timer1 hits it's max iteration, timer2 will
- * // continue, and timer3 will start to run concurrently with timer2
- * // - when timer2 hits it's max iteration it terminates, and
- * // timer3 will continue to emit a value every 500ms until it is complete
- * ```
- *
- * @see {@link mergeAll}
- * @see {@link mergeMap}
- * @see {@link mergeMapTo}
- * @see {@link mergeScan}
- *
- * @param {...ObservableInput} observables Input Observables to merge together.
- * @param {number} [concurrent=Number.POSITIVE_INFINITY] Maximum number of input
- * Observables being subscribed to concurrently.
- * @param {SchedulerLike} [scheduler=null] The {@link SchedulerLike} to use for managing
- * concurrency of input Observables.
- * @return {Observable} an Observable that emits items that are the result of
- * every input Observable.
- * @static true
- * @name merge
- * @owner Observable
- */
-export function merge<T, R>(...observables: Array<ObservableInput<any> | SchedulerLike | number>): Observable<R> {
- let concurrent = Number.POSITIVE_INFINITY;
- let scheduler: SchedulerLike = null;
- let last: any = observables[observables.length - 1];
- if (isScheduler(last)) {
- scheduler = <SchedulerLike>observables.pop();
- if (observables.length > 1 && typeof observables[observables.length - 1] === 'number') {
- concurrent = <number>observables.pop();
- }
- } else if (typeof last === 'number') {
- concurrent = <number>observables.pop();
- }
-
- if (scheduler === null && observables.length === 1 && observables[0] instanceof Observable) {
- return <Observable<R>>observables[0];
- }
-
- return mergeAll<R>(concurrent)(fromArray<any>(observables, scheduler));
-}