接着，获取参数的映射。

Next, it takes a map of parameters.

youdao

唯一不同的是从表获取参数的方式。

The only difference is the way in which the parameters are obtained from the table.

youdao

使用获取参数的递归模板可以解决此问题。

A recursive template taking a parameter solves this problem.

youdao

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