csharp-关键字

发表于 更新于 分类于 阅读次数： 本文字数： 229 阅读时长 ≈ 1 分钟

msdn

You can use the out keyword in two contexts:

  • As a parameter modifier, which lets you pass an argument to a method by reference rather than by value.
  • In generic type parameter declarations for interfaces and delegates, which specifies that a type parameter is covariant.