In some ways, a generator is like the closures which were discussed in previous installments of this column discussing functional programming (see Resources).
在某些方面，生成器就象本专栏前面文章讨论的函数型编程中的“终止”(参见参考资料)。
2
One of these -- test-first programming, or TFP -- is the topic of this month's column.
其中一种——优先测试的程序设计，或称为 TFP——是本文的主题。
3
The Python library for event-driven network programming is called just "Twisted" -- my last column did not carefully distinguish the group from the product.