C#•13mo ago

❔ Static interface methods

I have several classes implementing my Codec interface like this:

public sealed class CodecByte : Codec<byte>
{
    public byte Decode(EncodedData data) => data.Buffer[0];

    public EncodedData Encode(byte data) => new EncodedData(new byte[] { data });
}

public sealed class CodecByte : Codec<byte>
{
    public byte Decode(EncodedData data) => data.Buffer[0];

    public EncodedData Encode(byte data) => new EncodedData(new byte[] { data });
}

Is there a better way to represent multiple actions (Encode and Decode) without using a class? - If there would have been a single method, I would start using a delegate. But a delegate can't do multiple things - This is essentially just logic, so having this in a class is a bit useless (and makes me want to turn this into a singleton because instances aren't necessary) So basically looking to eliminate the redundancy of a class (because I only need 1 instance) here while having those 2 functions combined (with a delegate somehow?)

6 Replies

Angius•13mo ago

Not sure what you mean by "eliminate the redundancy of a class" C# is object-oriented It will use classes whether you like it or not (also, interfaces should start with capital I)

anita•13mo ago

Maybe you are looking for default interface methods

anita•13mo ago

https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/proposals/csharp-8.0/default-interface-methods

Default interface methods - C# 8.0 draft feature specifications

This feature specification describe the syntax updates necessary to support default interface methods. This includes declaring bodies in interface declarations, and supporting modifiers on declarations.

TimOP•13mo ago

eh I guess sometimes I lean more towards the functional approach but it's fine just dislike the boilerplate mhehe I don't Java is my main language so I don't wanna learn myself this eh I cleaned up the classes a bit with the methods with => and it looks fine now I guess

Angius•13mo ago

Well, you're using C# not Java So use C# conventions

Accord•13mo ago

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.

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❔ Static interface methods