variable AsyncReducer.countimport { AsyncReducer } from "https://deno.land/x/rimbu@0.13.2/mod.ts"; const { count } = AsyncReducer; Returns an AsyncReducer that remembers the amount of input items provided. ExamplesExample 1 const stream = AsyncStream.from(Stream.range({ amount: 10 })) console.log(await stream.reduce(AsyncReducer.count())) // => 10 console.log(await stream.reduce(AsyncReducer.count(async v => v < 5))) // => 5 type{ (): AsyncReducer<never, number>; <T>(pred: (value: T, index: number) => MaybePromise<boolean>): AsyncReducer<T, number>; }