import { AsyncReducer } from "https://deno.land/x/rimbu@1.2.1/stream/main/index.ts";
const { Base } = AsyncReducer;
Parameters
mapFun: () => MaybePromise<O2>
value: O,
index: number,
halted: boolean,
import { AsyncReducer } from "https://deno.land/x/rimbu@1.2.1/stream/main/index.ts";
const { Base } = AsyncReducer;