racket struct与list操作示例代码
代码语言:racket
所属分类:数组
代码描述:racket struct与list操作示例代码
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#lang racket (struct dog (name breed age)) (define my-pet (dog "lassie" "collie" 5)) my-pet ; => #<dog> ; returns whether the variable was constructed with the dog constructor (dog? my-pet) ; => #t ; accesses the name field of the variable constructed with the dog constructor (dog-name my-pet) ; => "lassie" ; You can explicitly declare a struct to be muta.........完整代码请登录后点击上方下载按钮下载查看
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