1 import { scan } from './scan';
2 import { takeLast } from './takeLast';
3 import { defaultIfEmpty } from './defaultIfEmpty';
4 import { pipe } from '../util/pipe';
5 export function reduce(accumulator, seed) {
6 if (arguments.length >= 2) {
7 return function reduceOperatorFunctionWithSeed(source) {
8 return pipe(scan(accumulator, seed), takeLast(1), defaultIfEmpty(seed))(source);
11 return function reduceOperatorFunction(source) {
12 return pipe(scan((acc, value, index) => accumulator(acc, value, index + 1)), takeLast(1))(source);
15 //# sourceMappingURL=reduce.js.map