import { StreamBase } from "https://deno.land/x/rimbu@0.13.1/stream/custom/stream-custom.ts";
Parameters
optional
eq: Eq<T> = [UNSUPPORTED]x/rimbu/stream/custom/stream-custom.ts>StreamBase#countElement
import { StreamBase } from "https://deno.land/x/rimbu@0.13.1/stream/custom/stream-custom.ts";