Difference between SET, SETQ and SETF in LISP

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Difference between SET, SETQ and SETF in LISP

SET can set the value of symbols; SETQ can set the value of variables; SETF is a macro that will call different function depending on what was called as its first argument. examples (set (quote l) '(1 2 3)) (1 2 3) (set l '(1 2 3)) Failur…

Difference between LET and LET* in Common LISP

Difference between LET and LET* in Common LISP LET Parallel binding which means the bindings come to life at the same time and they do not shadow each other. The values are effective inside LET and they are undefined outside LET. Just like local…

翻译：Lisp Style Tips for the Beginner - Heinrich Taube

原文:Lisp Style Tips for the Beginner 本篇文章是一篇非正式的摘要,旨在帮助新手写出高效.易读的Lisp代码. 1 赋值 1.1 避免使用eval.赋值是Lisp内置的流程,所以你几乎没有任何理由自己调用它.如果你使用了它,那么请停下来并且重新思考一下你的问题,因为你解决问题的方法一定是错的. 1.2 熟悉宏.它是Lisp的一个重要特性,但是一个实现的很差的宏可以引起很严重的错误,而且对新手来讲很难解决.在你理解Lisp的解释器工作之前避免使用宏.绝不要编写宏…

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Chapter 1: Building Abstractions with Procedures 2015-09-29 016 Preface of this chapter QUOTE: The acts of the mind, where in it exerts its power over simple ideas, are chiefly these three ...... (John Locke, An Essay Concerning Human Understanding).…

lisp : set 与setq 函数

在Lisp中,如果我们希望对一个变量赋值,可以使用set函数,用法如下: (set ‘my-value "my string") 上面的代码是对变量my-value进行赋值,值是"my String".注意其中的'my-value前面是有一个单引号的. 我们知道,在Lisp中,'my-value其实是(quote my-value)的简写,所以上面的set函数代码也可以写成这样: (set (quote my-value) "my string"…

Lisp简明教程

此教程是我花了一点时间和功夫整理出来的,希望能够帮到喜欢Lisp(Common Lisp)的朋友们.本人排版很烂还望多多海涵! <Lisp简明教程>PDF格式下载 <Lisp简明教程>ODT格式下载具体的内容我已经编辑好了,想下载的朋友可以用上面的链接.本人水平有限,如有疏漏还望之处(要是有谁帮我排排版就好了)还望指出!资料虽然是我整理的,但都是网友的智慧,如果有人需要转载,请至少保留其中的“鸣谢”页(如果能有我就更好了:-)). Lisp简明教程整理人:Chaobs 邮箱:c…

scheme和common lisp 区别

Scheme and Common Lisp use different names for some of the basic system functions. Many Lisp programs can be translated to the other dialect simply by changing these names (or by providing the existing names as macros or functions). Compatibility pac…