Method WriteData

csharp/tests/Fory.XlangPeer/Program.cs:1224–1228

(WriteContext context, in MyExt value, bool hasGenerics)

    public override MyExt DefaultValue => null!;

    public override void WriteData(WriteContext context, in MyExt value, bool hasGenerics)
    {
        _ = hasGenerics;
        context.Writer.WriteVarInt32((value ?? new MyExt()).Id);
    }

    public override MyExt ReadData(ReadContext context)
    {