package com.fpinjava.lists.exercise05_11;

import com.fpinjava.lists.exercise05_10.List;

public class SumProductLength {

  public static Integer sumViaFoldLeft(List<Integer> list) {
    throw new RuntimeException("Do zaimplementowania");
  }

  public static Double productViaFoldLeft(List<Double> list) {
    throw new RuntimeException("Do zaimplementowania");
  }

  public static <A> Integer lengthViaFoldLeft(List<A> list) {
    throw new RuntimeException("Do zaimplementowania");
  }
}
