lotuc / plai-cn Goto Github PK
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Programming Languages: Application and Interpretation
我们首先需要统一算术表达式的表示法。我们只打算支持两个运算符——加法和乘法——以及基本的数。需要一种东西来表达算术表达式。算是表达式的嵌套规则是啥呢?表达式可以任意地嵌套。
算是 => 算式 ?
您好,感谢翻译。
在线阅读不方便,能否提供pdf版本(gitbook没有开启下载pdf
功能)
(define (good? [ma : MisspelledAnimal]) : boolean
(cond
[(caml? ma) (>= caml-humps ma) 2]
[(yacc? ma) (> (yacc-height ma) 2.1)]))
少了括号 ;p
(define (good? [ma : MisspelledAnimal]) : boolean
(cond
[(caml? ma) (>= (caml-humps ma) 2)]
[(yacc? ma) (> (yacc-height ma) 2.1)]))
GitBook 改版后旧版并没有自动导入,而且整个使用方式和使用界面不够自由。
如果转换到新版的话需要花点功夫,如果不不转换的话,直接去掉 GitBook 的链接?
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