Reducing the number of typed parameters

[Efi]

Hello,
I have the following two classes:
class Chunk<T,V1{
V1 value;
T data;
}

class Feature<T,V2>{
V2 value;
T data}

I am writing a class that in essence transforms a Chunk into a
Feature.
class Transform<T,V1,V2...
public Feature<T,V2transform (Chunk<T,V2foo)...

Chunk and Feature has a common typed parameter(T) which I'm enforcing
when I'm declaring the Transform class.

I think that the transform class is just too confusing when I'm using
it with 3 typed parameters, I would like to reduce the number of typed
parameters and still have the same functionality.

At the beginning I thought using constraints i.e.
class Transform<U,Vwhere T : Chunk V : Feature

however in order to use it I need to add type to Chunk and Feature
i.e.
where T : Chunk<T,V1>
so it didn't help me.

What do you think, how can I do it?

Thank you,
Efi

[Jon Skeet [C# MVP]]

Efi <fo****@gmail.comwrote:

I have the following two classes:
class Chunk<T,V1{
V1 value;
T data;
}

class Feature<T,V2>{
V2 value;
T data}

I am writing a class that in essence transforms a Chunk into a
Feature.
class Transform<T,V1,V2...
public Feature<T,V2transform (Chunk<T,V2foo)...

Chunk and Feature has a common typed parameter(T) which I'm enforcing
when I'm declaring the Transform class.

I think that the transform class is just too confusing when I'm using
it with 3 typed parameters, I would like to reduce the number of typed
parameters and still have the same functionality.

I don't see how that's possible. There are three types involved, so
assuming they could all me different, I fail to see how you can get rid
of one of them.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too

[Efi]

Jon כתב:

>
I don't see how that's possible. There are three types involved, so
assuming they could all me different, I fail to see how you can get rid
of one of them.

Thanks,
I agree with you, but the point here that one parameter is always the
same in Chunk and Feature - T.

T can have different types that is true.
I agree with you, I was hoping that there is some way to exploit this
common parameter.

Thanks anyway,
Efi

[Jon Skeet [C# MVP]]

Efi <fo****@gmail.comwrote:

I don't see how that's possible. There are three types involved, so
assuming they could all me different, I fail to see how you can get rid
of one of them.

Thanks,
I agree with you, but the point here that one parameter is always the
same in Chunk and Feature - T.

Which is why you have three parameters rather than 4. If the two Ts
could be different, it would have to be:

public Feature<T1,V2transform (Chunk<T2,V2foo)...

T can have different types that is true.
I agree with you, I was hoping that there is some way to exploit this
common parameter.

You already are doing.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too