function isIterableimport { isIterable } from "https://deno.land/x/observable@v0.1-alpha/symbol.ts"; isIterable<T = unknown>(iterable: any): iterable is Iterable<T>checks if a value is folowing the IterableIterator interface Type ParametersoptionalT = unknownParametersiterable: anyvalue to be tested as IterableIterator Returnsiterable is Iterable<T>