This helps you ensure that nobody else takes your annotation type and misapplies it (or, better yet, that you don't misapply it in a fit of fatigue).
这样有助于避免他人误用您的注释类型(或者最好的地方是,您自己也不会因为疲惫而误用它)。
Variables with the type dynamic can use custom binders to determine how to call a method at runtime, which would fit well with interop scenarios such as this.
动态类型变量可以使用自定义绑定程序来决定在运行时如何调用方法,这非常适合本文提到的互操作解决方案。
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