dokey

donkey.ts

type DonkeyBasket<V> = {
  value: V;
};

// map
// toValue
// fromPredicate?
// filter
// attach

interface DonkeyMap<A> {
  map: <B>(a: A) => B;
}

interface Donkey<A> extends DonkeyMap<A> {
  (value: A): string;
}

const donkey = <A>(value: A) => {
  return {
    map: <B>(a: A) => {
      if (typeof a === "number") {
        return a.toString();
      }
      return a;
    },

    toValue: () => value,
  };
};

// donkey(value).map(x => y).filter(x => x).attach('xablau', y);