The first thing you'll notice is that the rule reads like an English sentence.
首先注意到这条规则读起来像是一个英文句子。
But, notice first that the MyDelegate type breaks a rule, namely that structs cannot derive from other types other than System.ValueType.
但是,首先要注意的是,MyDelegate类型打破了这个规则,即它的结构只能从System . ValueType来获得,而不能从其他类型获得。
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