Another option for returning arrays is to return them as parts of a complex data type, which is a technique we discuss in the next article.
返回数组的另一种选择是将数组作为复杂数据类型的组成部分返回，该技巧我们将在下一篇文章中进行讨论。
2
This latter process is known as unpacking and is an extremely powerful technique used in a number of situations, including when you want to return multiple values from a function.
这之后的过程称为解包，它是用于许多情形的功能十分强大的技术，其中包括希望从一个函数中返回多个值。
3
This technique is sound programming practice in C. it helps prevent real bugs, because putting the literal on the right-hand side makes this always return true.