如何像

return type.GetInterfaces()
           .Where(t => t.IsGenericType)
           .Select(t => t.GetGenericTypeDefinition())
           .Any(t => t.Equals(typeof(IDictionary<,>)));

我敢肯定，你可以很容易地概括为任何泛型类型定义。

which I'm sure that you can easily generalize for any generic type definition.