There's an exception, which we'll see in a second, but I'll highlight, which is, if we get to the end of the procedure, there's sort of an implicit return there.

当然也有例外，我们马上来看一看，正如我强调的内容，如果我们进行到了，整个过程的尾声部分。

麻省理工公开课 - 计算机科学及编程导论课程节选