import { AsyncStreamBase } from "https://deno.land/x/rimbu@0.14.1/stream/async-custom/async-stream-custom.ts";
Parameters
init: AsyncOptLazy<R>
next: () => MaybePromise<R>
x/rimbu/stream/async-custom/async-stream-custom.ts>AsyncStreamBase#fold
import { AsyncStreamBase } from "https://deno.land/x/rimbu@0.14.1/stream/async-custom/async-stream-custom.ts";