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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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