right derived functor

例句：

1. 1. This is a right-derived functor that can be used to perform operations on arrays.
   这是一个可以用于对数组执行操作的正确派生函子。
2. 2.The right-derived functor allows us to easily access the elements of an array.
   这个正确派生函子让我们能够轻松地访问数组的元素。
3. 3. In this example, we will demonstrate how to use a right-derived functor to create a new array with the same elements as the original one.
   在这个例子中，我们将演示如何使用正确派生函子来创建一个新的数组，其元素与原始数组相同。