Variables（变量） Variables（变量） The next basic building block we need to look at are variables. Common Lisp supports two kinds of variables: lexical and dynamic.1 These two types c...

Macros: Standard Control Constructs（宏：标准控制结构） Macros: Standard Control Constructs（宏：标准控制结构） While many of the ideas that originated in Lisp, from the conditional expression to ...

7. Macros: Standard Control Constructs Copyright © 2003-2005, Peter Seibel 7. Macros: Standard Control Constructs While many of the ideas that originated in Lisp, from the ...

Saving Your Work Saving Your Work You could argue that this is a complete “hello, world” program of sorts. However, it still has a problem. If you exit Lisp and restart, the fu...

第九章：数字 第九章：数字 处理数字是 Common Lisp 的强项之一。Common Lisp 有着丰富的数值类型，而 Common Lisp 操作数字的特性与其他语言比起来更受人喜爱。

Practical: A Simple Database（实践：一个简单的数据库） Practical: A Simple Database（实践：一个简单的数据库） Obviously, before you can start building real software in Lisp, you’ll have to learn the lan...

11. Collections Copyright © 2003-2005, Peter Seibel 11. Collections Like most programming languages, Common Lisp provides standard data types that collect multiple values i...

Package Gotchas Package Gotchas Once you’re familiar with packages, you won’t spend a bunch of time thinking about them. There’s just not that much to them. However, a couple o...

Characters Characters Common Lisp characters are a distinct type of object from numbers. That’s as it should be—characters are not numbers, and languages that treat them as if ...

3. Practical: A Simple Database Copyright © 2003-2005, Peter Seibel 3. Practical: A Simple Database Obviously, before you can start building real software in Lisp, you’ll h...