function appendimport { append } from "https://deno.land/x/rambda@v7.0.1/immutable.d.ts"; append<T>(x: T, list: readonly T[]): readonly T[]It adds element x at the end of list. append<T>(x: T): <T>(list: readonly T[]) => readonly T[]It adds element x at the end of list. Type ParametersTParametersx: Tlist: readonly T[]Returnsreadonly T[]Type ParametersTParametersx: TReturns<T>(list: readonly T[]) => readonly T[]