Mixin helper help

[Salih Dincer]

On Saturday, 14 January 2023 at 23:07:13 UTC, TheZipCreator wrote:
> This is not the purpose mixin templates are meant to serve. 
> They're for copying declarations into scopes (and as such only 
> support declarations in them). Instead, I think what you want is

I'm trying to understand you. But I regret to say that I do not 
agree with you. You are a programmer like me,  so you don't like 
this usage?

```d
template MyContainer(string varS = "")
{
   struct Var
   {
     import std.variant;

     private
     Variant[string] values; alias
                     values this;
     @property {
       Variant opDispatch(string name)() const
       {
         return values[name];
       }

       void opDispatch(string name, T)(T val)
       {
         values[name] = val;
       }
     }
   }

   static if(varS.length > 0)
   {
     import std.format;
     mixin(varS.format!"Var %s;");
   } else
     Var data;
}

void main()
{
   //otherTest("test ok");/*
   mixin MyContainer!"date";
   enum Tarih { AY = 1, YIL = 2023 }

   date.month = cast(ubyte)Tarih.AY;
   date.month.write("/");

   assert(date["month"] != Tarih.AY); // because :
   assert(date["month"].type == typeid(ubyte));

   date.year = cast(short)Tarih.YIL;
   date.year.writeln(" in Turkish format");

   assert(date["year"] != Tarih.YIL); // because :
   assert(date["year"].type == typeid(short));

   writefln("Date: %s/%s", date.year, date.month);//*/
} /* Prints:

   1/2023 in Turkish format
   Date: 2023/1

//*/
import std.stdio;
void otherTest(string str)
{
   mixin MyContainer;
   data.test = str;
   data.test.writeln;
}
```

I'm 44 and maybe an old-fashioned person who likes macros.  But 
mixins are all kinds of beautiful yaw 😀

Because they can be used as easily as importing. Moreover, they 
can be personalized.

SDB at 79