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Members of interface's methods have different types

I have this interface

public interface TestInterface
{
   [returntype] MethodHer开发者_StackOverflow中文版e();
}

public class test1 : TestInterface
{
   string MethodHere(){
      return "Bla";
   }
}

public class test2 : TestInterface
{
   int MethodHere(){
     return 2;
   }
}

Is there any way to make [returntype] dynamic?


Either declare the return type as Object, or use a generic interface:

public interface TestInterface<T> {
    T MethodHere();
}

public class test3 : TestInterface<int> {
   int MethodHere() {
      return 2;
   }
}


Not really dynamic but you could make it generic:

public interface TestInterface<T>
{
    T MethodHere();
}

public class Test1 : TestInterface<string>
... // body as before
public class Test2 : TestInterface<int>
... // body as before

If that's not what you're after, please give more details about how you'd like to be able to use the interface.

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