function unionimport { union } from "https://deno.land/x/rambda@9.2.1/files/index.d.ts"; union<T>(x: T[], y: T[]): T[]union<T>(x: T[]): (y: T[]) => T[]Type ParametersTParametersx: T[]y: T[]ReturnsT[]Type ParametersTParametersx: T[]Returns(y: T[]) => T[]