The -c option creates the lookup tables declared with the const keyword; the contents of all generated lookup tables then are constant-that is, read-only.
c选项将创建使用const关键字声明的查找表。所有生成的查找表中的内容都是常量—即只读形式。
You declare a class constant with the const keyword.
用const关键字声明类常量。
You declare a class constant with the const keyword.
用const关键字声明类常量。
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