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11 lines
387 B
11 lines
387 B
import { Observable } from '../Observable'; |
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/** |
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* If the source Observable is empty it returns an Observable that emits true, otherwise it emits false. |
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* |
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* <img src="./img/isEmpty.png" width="100%"> |
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* |
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* @return {Observable} An Observable that emits a Boolean. |
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* @method isEmpty |
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* @owner Observable |
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*/ |
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export declare function isEmpty<T>(this: Observable<T>): Observable<boolean>;
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