Function listToArray

code/solutions/04_3_a_list.js:9–15

(list)

}

function listToArray(list) {
  let array = [];
  for (let node = list; node; node = node.rest) {
    array.push(node.value);
  }
  return array;
}

function prepend(value, list) {
  return {value, rest: list};