It's totally legit to cull a function, get back a value, do nothing with it other than compare it to another value.

挑选一个函数是完全合法的，返回一个值，用它来做些事情而不是用它与其它的值比较。

哈佛公开课 - 计算机科学课程节选

Like Isis, whom we saw piecing together the body of Osiris, or like the sad friends of Truth picking up the torn limbs of that beautiful virgin, we are left to cull out and sort asunder the confused seeds of good and evil.

像伊西斯，我们看到的拼凑欧西里斯身体的女人，或是真理的悲伤的朋友找寻被撕碎的美丽纯洁的真理的肢体,我们被留下来做出选择对错和,把善恶迷惑的种子分离出来。

耶鲁公开课 - 弥尔顿课程节选

And we've only just begun using it, but it has just a bunch GetInt GetString GetDouble of very useful functions like GetInt, GetString, GetDouble, And so as those names imply, you can just cull these functions with no arguments and you'll get back that data type based on its name.

我们刚开始使用了它，里面有很多的,有用的函数，像，所以，那些名字暗示，你可以挑选这些,没有参数的函数，然后你可以通过它的名字,获取他们的数据类型。

哈佛公开课 - 计算机科学课程节选

GetInt So next I cull the CS50 function called GetInt.

所以接下来我挑选CS50函数库中的函数。

哈佛公开课 - 计算机科学课程节选

Now what does it mean to cull GetInt?

现在我把GetInt去掉了，这是什么意思？

哈佛公开课 - 计算机科学课程节选