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- import { operate } from '../util/lift';
- import { mergeInternals } from './mergeInternals';
- export function mergeScan(accumulator, seed, concurrent) {
- if (concurrent === void 0) { concurrent = Infinity; }
- return operate(function (source, subscriber) {
- var state = seed;
- return mergeInternals(source, subscriber, function (value, index) { return accumulator(state, value, index); }, concurrent, function (value) {
- state = value;
- }, false, undefined, function () { return (state = null); });
- });
- }
- //# sourceMappingURL=mergeScan.js.map
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