How to use

unit

method

in

com.oath.cyclops.types.factory.Unit

/**
 * Use an existing instance of a type that implements Unit to create a KleisliM arrow for that type
 *
 * <pre>
 *     {@code
 *      Seq<Integer> myList = Seq.of(1,2,3);
    Fn1<? super String, ? extends Seq<String>> arrow = Functions.arrowUnit(myList);
    Seq<String> list = arrow.applyHKT("hello world");
 *
 *     }
 * </pre>
 *
 * @param w
 * @param <T>
 * @param <W>
 * @return
 */
public static final  <T,W extends Unit<T>> Function1<? super T,? extends W> arrowUnit(Unit<?> w){
  return t-> (W)w.unit(t);
}

/**
 * Use an existing instance of a type that implements Unit to create a KleisliM arrow for that type
 *
 * <pre>
 *     {@code
 *      Seq<Integer> myList = Seq.of(1,2,3);
    Fn1<? super String, ? extends Seq<String>> arrow = Functions.arrowUnit(myList);
    Seq<String> list = arrow.applyHKT("hello world");
 *
 *     }
 * </pre>
 *
 * @param w
 * @param <T>
 * @param <W>
 * @return
 */
public static final  <T,W extends Unit<T>> Function1<? super T,? extends W> arrowUnit(Unit<?> w){
  return t-> (W)w.unit(t);
}