Created
November 21, 2016 17:18
-
-
Save zhouqiang-cl/78767b347af5b28183df5025a3825861 to your computer and use it in GitHub Desktop.
common lisp 函数 error
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 语法 | |
| error datum &rest arguments | |
| 参数和值 | |
| datum, arguments --- 错误提示, 通常是一个 simple-error 对象 | |
| 描述 | |
| error 当条件发生时,产生一个错误信号 | |
| 代码 | |
| * (setq a 'fred) | |
| FRED | |
| * (if (numberp a) (1+ a) (error "~S is not a number." A)) | |
| debugger invoked on a SIMPLE-ERROR: FRED is not a number. | |
| 接着进入了中断 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment