# 2.4.10 字符表类型

字符表是一维数组，不过其以字符进行索引。字符串也因此拥有了一个特性，那就是可读性。比如，字符表可以继承自一个父表，拥有默认值，以及少数的槽用来另作他用。

字符表的打印表示和向量很像，只开头会多一个 "#^"。

字符表章节有更多的操作字符表的函数。字符表的用途有：

* Case Table
* 分类表
* 显示表
* 语法表


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