import { ArrayStream } from "https://deno.land/x/rimbu@1.1.0/stream/custom/stream-custom.ts";
Parameters
optional
options: { occurrance?: number; eq?: Eq<T>; negate?: boolean; } = [UNSUPPORTED]x/rimbu/stream/custom/stream-custom.ts>ArrayStream#indexOf
import { ArrayStream } from "https://deno.land/x/rimbu@1.1.0/stream/custom/stream-custom.ts";