在结束此话题之前，我可以举一个有关前置和后置条件的简单例子：一个例程要计算一个实数的平方根。

Before moving on I can describe a very simple example of pre - and post-conditions: a routine that computes the square root of a real number.

youdao

在结束此话题之前，我可以举一个有关前置和后置条件的简单例子：一个例程要计算一个实数的平方根。

Before moving on I can describe a very simple example of pre - and post-conditions: a routine that computes the square root of a real number.

youdao