In functional programming, lambdas are referred to as first-class functions because they can be.

在函数式编程中，lambdas被称为一流的函数因为它们能够。

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In this article, I'll continue this tour of concepts by talking about first-class functions, optimizations, and closures.

在本文中，我将继续讨论这些概念，讲解一级函数、优化和闭包。

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Specifically, functional programming languages must provide high-order and first-class functions, which this article defines.

特别地，函数式编程语言必须提供高阶和一流的函数，这是本文所定义的。

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This is boring. In fact, you can do some nice things to prove what is the class of functions you can compute with straight-line programs, and what you'd see if you did that is, it's not particularly interesting.

这很无聊，实际上，你可以通过做一些很有趣的事情,来证明你可以通过直线程序,来做很多功能，但是你也看到我们之前讲过的了，这不太有趣。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, before, of course, in the first part of the class u we started out looking at u H and then looking at H not as functions of S and V or S and p, but as functions of temperature, mostly.

现在，在本课的前一部分,我们首先讨论了,然后讨论了,这两个量并未写成S和V或者S和p的函数，而是写成了温度的函数。

麻省理工公开课 - 热力学与动力学课程节选

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