function tapimport { tap } from "https://deno.land/x/rambda@9.2.1/files/index.d.ts"; tap<T>(fn: (x: T) => void, input: T): Ttap<T>(fn: (x: T) => void): (input: T) => TType ParametersTParametersfn: (x: T) => voidinput: TReturnsTType ParametersTParametersfn: (x: T) => voidReturns(input: T) => T