| 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 |