import { AsyncReducer } from "https://deno.land/x/rimbu@1.2.1/core/main/exports.ts";
const { Base } = AsyncReducer;
Parameters
mapFun: (value: I2, index: number) => MaybePromise<I>
x/rimbu/core/main/exports.ts>AsyncReducer.Base#mapInput
import { AsyncReducer } from "https://deno.land/x/rimbu@1.2.1/core/main/exports.ts";
const { Base } = AsyncReducer;