Nil/zh CN
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Nil是一个空指针，它不指向任何对象或变量，这个指针什么也没指向。
更多
- Assigned 测试程序当中的指针或变量是否为，如果为Nil则返回 false
- FreeAndNil 释放内存中的对象，设置为 nil
From the Free Pascal wiki, page "Nil/zh CN", as it stood on 2015-07-21 after a change by FTurtle, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.