@reactivex/ix-es5-esm
Version:
The Interactive Extensions for JavaScript
17 lines (16 loc) • 748 B
TypeScript
import { IterableX } from '../iterablex.js';
import { OperatorFunction } from '../../interfaces.js';
/** @ignore */
export declare class PairwiseIterable<TSource> extends IterableX<TSource[]> {
private _source;
constructor(source: Iterable<TSource>);
[Symbol.iterator](): Generator<TSource[], void, unknown>;
}
/**
* Returns a sequence of each element in the input sequence and its predecessor, with the exception of the
* first element which is only returned as the predecessor of the second element.
*
* @template TSource The type of the elements in the source sequence.
* @returns {OperatorFunction<TSource, TSource[]>} The result sequence.
*/
export declare function pairwise<TSource>(): OperatorFunction<TSource, TSource[]>;