可以有如下操作：
public class A<B> where B : IList<int>, new() {
}
甚至还可以多重嵌套：
public class A<B, C> where B: IList<C>, new() where C: IList<int>, new() {
}
注意：
这里的 int 是举例子，...
As most people use Photoshop as image editing software, I designed a two-way interaction method between Photoshop
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