function isPromiseimport { isPromise } from "https://deno.land/x/isx@1.0.0-beta.21/top_types.ts"; isPromise<T>(value: unknown): value is Promise<T>Whether the value is Promise or not. Type ParametersTParametersvalue: unknown Any value. import { isPromise } from "https://deno.land/x/isx@$VERSION/mod.ts" import { assertEquals } from "https://deno.land/std@$VERSION/testing/asserts.ts" assertEquals(isPromise(Promise.resolve()), true) assertEquals(isPromise({}), false) Returnsvalue is Promise<T>