fold
import { fold } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/set.ts";Reduce a ReadonlySet to a value O by iterating over the values of the set and collecting them with the reducing function.
@example
import * as S from "./set.ts";
import { pipe } from "./fn.ts";
const set = S.set(1, 2, 3, 4);
const result = pipe(
set,
S.fold((previous, current) => previous + current, 0),
); // 10