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程序:csharp:可空类型

C#可空类型

在其原值范围上再加上null

像一种模板类 

Nullable<int> i = new Nullable<int>(3);

也可以使用'?'声明

/var/www/DokuWikiStick/dokuwiki/data/pages/程序/csharp/可空类型.txt · Last modified: 2022/09/24 09:44 by zh

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