.NET Core is not enforcing class implements inherited interface [closed]

up vote
4
down vote

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I'm seeking some guidance with the following issue.
I have an Interface A with a method A.DoSomething
I have another interface B with a method B.DoSomethingElse. B Inherits from A
I have a class C that inherits from interface B

interface A

{

   void DoSomething();

}



interface B : A

{

   void DoSomethingElse();

}



public class C : B

{

   public void DoSomethingElse()

   {

      //do something else here

   }

}

If I write the above code in .NET Standard I get a compile time error stating that class C must implement interface A. However if I write the same code in .NET Core I don't get any compile time error to enforce the implementation of interface A in class C.
I'm using .NET Core 2.1 with Visual Studio Enterprise 2017 version 15.8.9.

edited Nov 10 at 5:12

user2864740

43.4k669146

asked Nov 10 at 5:07

Danny Acosta

211

closed as off-topic by Rob♦ Nov 28 at 3:57

This question appears to be off-topic. The users who voted to close gave this specific reason:

"This question was caused by a problem that can no longer be reproduced or a simple typographical error. While similar questions may be on-topic here, this one was resolved in a manner unlikely to help future readers. This can often be avoided by identifying and closely inspecting the shortest program necessary to reproduce the problem before posting." – Rob

If this question can be reworded to fit the rules in the help center, please edit the question.

1

Just tried your code (same .NET core version and VS version) and I get the expected compile error.
– Klaus Gütter
Nov 10 at 6:04

I've tried it as well and get the same error in .NET Core, .NET Standard and .NET Framework. I know it sounds silly but are you sure the inheritance is setup correctly in the .NET Core code? (It's easy to miss off the : A but still think it's there...we've all done it at one time :-) ) Could you share your code in GitHub so we can see the full projects please?
– Simply Ged
Nov 10 at 6:31

Ditto. Got compile error with the code you have shared. As @SimplyGed suggested, share your code on Github and we might be able to troubleshoot this further.
– dj79
Nov 11 at 7:50

It might have been a transient error with the C# compiler. I'm also getting the expected error after rebooting. Thank you all for your time.
– Danny Acosta
Nov 11 at 11:36

add a comment |

up vote
4
down vote

favorite

interface A

{

   void DoSomething();

}



interface B : A

{

   void DoSomethingElse();

}



public class C : B

{

   public void DoSomethingElse()

   {

      //do something else here

   }

}

edited Nov 10 at 5:12

user2864740

43.4k669146

asked Nov 10 at 5:07

Danny Acosta

211

closed as off-topic by Rob♦ Nov 28 at 3:57

This question appears to be off-topic. The users who voted to close gave this specific reason:

"This question was caused by a problem that can no longer be reproduced or a simple typographical error. While similar questions may be on-topic here, this one was resolved in a manner unlikely to help future readers. This can often be avoided by identifying and closely inspecting the shortest program necessary to reproduce the problem before posting." – Rob

If this question can be reworded to fit the rules in the help center, please edit the question.

1

Just tried your code (same .NET core version and VS version) and I get the expected compile error.
– Klaus Gütter
Nov 10 at 6:04

I've tried it as well and get the same error in .NET Core, .NET Standard and .NET Framework. I know it sounds silly but are you sure the inheritance is setup correctly in the .NET Core code? (It's easy to miss off the : A but still think it's there...we've all done it at one time :-) ) Could you share your code in GitHub so we can see the full projects please?
– Simply Ged
Nov 10 at 6:31

Ditto. Got compile error with the code you have shared. As @SimplyGed suggested, share your code on Github and we might be able to troubleshoot this further.
– dj79
Nov 11 at 7:50

It might have been a transient error with the C# compiler. I'm also getting the expected error after rebooting. Thank you all for your time.
– Danny Acosta
Nov 11 at 11:36

add a comment |

up vote
4
down vote

favorite

interface A

{

   void DoSomething();

}



interface B : A

{

   void DoSomethingElse();

}



public class C : B

{

   public void DoSomethingElse()

   {

      //do something else here

   }

}

edited Nov 10 at 5:12

user2864740

43.4k669146

asked Nov 10 at 5:07

Danny Acosta

211

interface A

{

   void DoSomething();

}



interface B : A

{

   void DoSomethingElse();

}



public class C : B

{

   public void DoSomethingElse()

   {

      //do something else here

   }

}

c# visual-studio .net-core

edited Nov 10 at 5:12

user2864740

43.4k669146

asked Nov 10 at 5:07

Danny Acosta

211

edited Nov 10 at 5:12

user2864740

43.4k669146

asked Nov 10 at 5:07

Danny Acosta

211

edited Nov 10 at 5:12

user2864740

43.4k669146

edited Nov 10 at 5:12

user2864740

43.4k669146

edited Nov 10 at 5:12

user2864740

43.4k669146

asked Nov 10 at 5:07

Danny Acosta

211

asked Nov 10 at 5:07

Danny Acosta

211

asked Nov 10 at 5:07

Danny Acosta

211

closed as off-topic by Rob♦ Nov 28 at 3:57

This question appears to be off-topic. The users who voted to close gave this specific reason:

"This question was caused by a problem that can no longer be reproduced or a simple typographical error. While similar questions may be on-topic here, this one was resolved in a manner unlikely to help future readers. This can often be avoided by identifying and closely inspecting the shortest program necessary to reproduce the problem before posting." – Rob

If this question can be reworded to fit the rules in the help center, please edit the question.

closed as off-topic by Rob♦ Nov 28 at 3:57

This question appears to be off-topic. The users who voted to close gave this specific reason:

"This question was caused by a problem that can no longer be reproduced or a simple typographical error. While similar questions may be on-topic here, this one was resolved in a manner unlikely to help future readers. This can often be avoided by identifying and closely inspecting the shortest program necessary to reproduce the problem before posting." – Rob

If this question can be reworded to fit the rules in the help center, please edit the question.

1

Just tried your code (same .NET core version and VS version) and I get the expected compile error.
– Klaus Gütter
Nov 10 at 6:04

I've tried it as well and get the same error in .NET Core, .NET Standard and .NET Framework. I know it sounds silly but are you sure the inheritance is setup correctly in the .NET Core code? (It's easy to miss off the : A but still think it's there...we've all done it at one time :-) ) Could you share your code in GitHub so we can see the full projects please?
– Simply Ged
Nov 10 at 6:31

Ditto. Got compile error with the code you have shared. As @SimplyGed suggested, share your code on Github and we might be able to troubleshoot this further.
– dj79
Nov 11 at 7:50

It might have been a transient error with the C# compiler. I'm also getting the expected error after rebooting. Thank you all for your time.
– Danny Acosta
Nov 11 at 11:36

add a comment |

1

Just tried your code (same .NET core version and VS version) and I get the expected compile error.
– Klaus Gütter
Nov 10 at 6:04

I've tried it as well and get the same error in .NET Core, .NET Standard and .NET Framework. I know it sounds silly but are you sure the inheritance is setup correctly in the .NET Core code? (It's easy to miss off the : A but still think it's there...we've all done it at one time :-) ) Could you share your code in GitHub so we can see the full projects please?
– Simply Ged
Nov 10 at 6:31

Ditto. Got compile error with the code you have shared. As @SimplyGed suggested, share your code on Github and we might be able to troubleshoot this further.
– dj79
Nov 11 at 7:50

It might have been a transient error with the C# compiler. I'm also getting the expected error after rebooting. Thank you all for your time.
– Danny Acosta
Nov 11 at 11:36

Just tried your code (same .NET core version and VS version) and I get the expected compile error.
– Klaus Gütter
Nov 10 at 6:04

I've tried it as well and get the same error in .NET Core, .NET Standard and .NET Framework. I know it sounds silly but are you sure the inheritance is setup correctly in the .NET Core code? (It's easy to miss off the : A but still think it's there...we've all done it at one time :-) ) Could you share your code in GitHub so we can see the full projects please?
– Simply Ged
Nov 10 at 6:31

Ditto. Got compile error with the code you have shared. As @SimplyGed suggested, share your code on Github and we might be able to troubleshoot this further.
– dj79
Nov 11 at 7:50

It might have been a transient error with the C# compiler. I'm also getting the expected error after rebooting. Thank you all for your time.
– Danny Acosta
Nov 11 at 11:36

add a comment |

1 Answer
1

active

oldest

votes

up vote
-2
down vote

this is the correct way to implement the interfaces

public class C : B  {

public void DoSomething(){

 //do something 

}

public void DoSomethingElse()

{

  //do something else here

}}

answered Nov 10 at 6:47

J.Oliver

4

Welcome to Stack Overflow. Although your answer is correct, it does not answer the question the user has asked. Please take some time to read How to Answer to understand what is required for a good quality answer.
– Simply Ged
Nov 10 at 7:04

add a comment |

1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

up vote
-2
down vote

this is the correct way to implement the interfaces

public class C : B  {

public void DoSomething(){

 //do something 

}

public void DoSomethingElse()

{

  //do something else here

}}

answered Nov 10 at 6:47

J.Oliver

4

Welcome to Stack Overflow. Although your answer is correct, it does not answer the question the user has asked. Please take some time to read How to Answer to understand what is required for a good quality answer.
– Simply Ged
Nov 10 at 7:04

add a comment |

up vote
-2
down vote

this is the correct way to implement the interfaces

public class C : B  {

public void DoSomething(){

 //do something 

}

public void DoSomethingElse()

{

  //do something else here

}}

answered Nov 10 at 6:47

J.Oliver

4

Welcome to Stack Overflow. Although your answer is correct, it does not answer the question the user has asked. Please take some time to read How to Answer to understand what is required for a good quality answer.
– Simply Ged
Nov 10 at 7:04

add a comment |

up vote
-2
down vote

this is the correct way to implement the interfaces

public class C : B  {

public void DoSomething(){

 //do something 

}

public void DoSomethingElse()

{

  //do something else here

}}

answered Nov 10 at 6:47

J.Oliver

this is the correct way to implement the interfaces

public class C : B  {

public void DoSomething(){

 //do something 

}

public void DoSomethingElse()

{

  //do something else here

}}

answered Nov 10 at 6:47

J.Oliver

answered Nov 10 at 6:47

J.Oliver

answered Nov 10 at 6:47

J.Oliver

answered Nov 10 at 6:47

J.Oliver

4

Welcome to Stack Overflow. Although your answer is correct, it does not answer the question the user has asked. Please take some time to read How to Answer to understand what is required for a good quality answer.
– Simply Ged
Nov 10 at 7:04

add a comment |

4

Welcome to Stack Overflow. Although your answer is correct, it does not answer the question the user has asked. Please take some time to read How to Answer to understand what is required for a good quality answer.
– Simply Ged
Nov 10 at 7:04

Welcome to Stack Overflow. Although your answer is correct, it does not answer the question the user has asked. Please take some time to read How to Answer to understand what is required for a good quality answer.
– Simply Ged
Nov 10 at 7:04

add a comment |

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