In programming without metadata, you can use only one name in each program element.
如果不使用元数据编程,那么每个程序元素只能使用一个名字。
This use of metadata extends the underlying programming language and the compiler.
对元数据的这种使用扩展了底层编程语言和编译器。
In the programming language context, metadata is additional information attached to program elements such as methods, fields, classes, and packages.
在编程语言上下文中,元数据是添加到程序元素如方法、字段、类和包上的额外信息。
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