import { AbstractAsyncIter } from "https://deno.land/x/asynciter@0.0.18/asynciter.ts";
Flatten the iterable.
x/asynciter/asynciter.ts>AbstractAsyncIter#flatten
import { AbstractAsyncIter } from "https://deno.land/x/asynciter@0.0.18/asynciter.ts";
Flatten the iterable.