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34 lines
1.2 KiB
34 lines
1.2 KiB
import { Observable } from '../Observable'; |
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/** |
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* Skip the last `count` values emitted by the source Observable. |
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* |
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* <img src="./img/skipLast.png" width="100%"> |
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* |
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* `skipLast` returns an Observable that accumulates a queue with a length |
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* enough to store the first `count` values. As more values are received, |
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* values are taken from the front of the queue and produced on the result |
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* sequence. This causes values to be delayed. |
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* |
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* @example <caption>Skip the last 2 values of an Observable with many values</caption> |
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* var many = Rx.Observable.range(1, 5); |
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* var skipLastTwo = many.skipLast(2); |
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* skipLastTwo.subscribe(x => console.log(x)); |
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* |
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* // Results in: |
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* // 1 2 3 |
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* |
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* @see {@link skip} |
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* @see {@link skipUntil} |
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* @see {@link skipWhile} |
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* @see {@link take} |
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* |
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* @throws {ArgumentOutOfRangeError} When using `skipLast(i)`, it throws |
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* ArgumentOutOrRangeError if `i < 0`. |
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* |
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* @param {number} count Number of elements to skip from the end of the source Observable. |
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* @returns {Observable<T>} An Observable that skips the last count values |
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* emitted by the source Observable. |
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* @method skipLast |
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* @owner Observable |
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*/ |
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export declare function skipLast<T>(this: Observable<T>, count: number): Observable<T>;
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