在以前的版本中，提供了关系查找函数。

In previous versions, a relationship lookup function was provided. Version 7 provides three new lookups.

youdao

N：该选项允许用户修改查找函数的名称。

N: This option allows you to change the name of the lookup function.

youdao

我们可以使用RTTI通过名字查找函数/过程和运行？

Can we use RTTI to find functions/procedures by name and run them?

youdao

There's been a lot of work done on these over the years, but in fact, it's pretty hard to invent a good hash function. So my advice to you is, if you want to use something was a hash, go to a library. Look up a good hash function.

已经做过了很多的尝试和努力,但是事实是，很难发明出一个好的哈希函数,所以我给你们的建议是,如果你们想使用哈希功能,到函数库中查找一个好的哈希函数。

麻省理工公开课 - 计算机科学及编程导论课程节选