import { AsyncPrependIterator } from "https://deno.land/x/rimbu@0.13.1/stream/async-custom/index.ts";
Constructors
new
AsyncPrependIterator(source: AsyncFastIterator<T>, item: AsyncOptLazy<T>)Methods
fastNext<O>(otherwise?: AsyncOptLazy<O>): MaybePromise<T | O>