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- import { switchMap } from './switchMap';
- import { operate } from '../util/lift';
- export function switchScan(accumulator, seed) {
- return operate(function (source, subscriber) {
- var state = seed;
- switchMap(function (value, index) { return accumulator(state, value, index); }, function (_, innerValue) { return ((state = innerValue), innerValue); })(source).subscribe(subscriber);
- return function () {
- state = null;
- };
- });
- }
- //# sourceMappingURL=switchScan.js.map
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