Haskell lets you treat functions as data.

Haskell允许把函数当成数据。

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This system can carry out four functions as data base management, planning water use, water allocation in canal system and summation of planning water use.

该系统可以实现：灌区数据管理、灌区用水计划、灌区渠系水量调配和灌区计划用水总结四项功能。

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RS232 and PROFIBUS-DP protocol convert interface can embed in the process control equipment as Intelligent Slave Station, that realize many functions as data collect and control.

RS232和PROFIBUS - DP协议转换接口可嵌入现场设备作为智能从站，实现数据采集和控制等多种功能。

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And we've only just begun using it, but it has just a bunch GetInt GetString GetDouble of very useful functions like GetInt, GetString, GetDouble, And so as those names imply, you can just cull these functions with no arguments and you'll get back that data type based on its name.

我们刚开始使用了它，里面有很多的,有用的函数，像，所以，那些名字暗示，你可以挑选这些,没有参数的函数，然后你可以通过它的名字,获取他们的数据类型。

哈佛公开课 - 计算机科学课程节选

In particular functions that operate on the data, perhaps on other data as well. The key idea here is to bind together the data and the functions that operate on that data as a single thing.

特别是处理数据的函数，也可能处理其他数据,这里的关键思想就是,将函数和操作数据的函数。

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