Solution Review: Club Entry System

const filter = func => arr => arr.filter(func);
const map = func => arr => arr.map(func);
const funcCompose = (...funcs) => args => funcs.reduceRight((arg, fn) => fn(arg), args);
function test(customers){
  const ans = funcCompose(
  map(x => x.name),
  filter(x => x.age >= 18)
  )(customers)
  return ans
}
const customers = [ { name: "Hermoine", age: 15 },
    { name: "Ron", age: 18 }, 
    { name: "Harry", age: 24 },]
console.log(test(customers))