Is it possible to derive from a generic which is a specifyed subtyp?

Unity Engine
1

I´m currently building a modular system for a game in Unity. My problem is the following:
I have multiple classes, which are a sub type of parent. These classes are used in a prefab and have a sprite.

Now I want to have a type which has the functionality of parent and this has also to override some functions. Furthermore I still want to keep the Sprites. So my Idea was to simply make a generic with (where T : parent) and inherit from it. But this doesn’t work.

Does anyone know how I can manage to use the sub types but am still able to override functions from them?

2

Please paste the code you tried that doesn’t work, and also explain what “doesn’t work” about it - compile error? Because this should be a thing you can do.

3

class c:T where T : parent{}

4

You’ve got an extra “:T” in there.

     public class c<T> where T:parent {
5

It is not possible to derive from a generic type.

https://www.microsoft.com/en-us/download/confirmation.aspx?id=7029
See section 4.4.3

6

No I haven´t. It was on purpose. I want to also DERIVE from this class

7

You can’t derive from T but you could do something like this:

public class Foo {}
public class Foo<T> : Foo where T : Foo {}
public class Bar<T> : Foo<T> {}

So you end up with a “Bar” that inherits from Foo and which also has Foo as its “T”, which should probably work for what you’re trying to do.