racket 异常处理示例代码

代码语言:racket

所属分类:其他

代码描述:racket 异常处理示例代码

代码标签: 示例

下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开

#lang racket
(with-handlers ([exn:fail? (lambda (exn) 999)])
  (+ 1 "2")) ; => 999
(with-handlers ([exn:break? (lambda (exn) "no time")])
  (sleep 3)
  "phew") ; => "phew", but if you break.........完整代码请登录后点击上方下载按钮下载查看

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