import { AsyncReducer } from "https://deno.land/x/rimbu@1.2.1/stream/async/async-reducer.ts";
const { ReducerNotInitializedError } = AsyncReducer;
Module
x/rimbu/stream/async/async-reducer.ts>AsyncReducer.ReducerNotInitializedError
Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.