Detect 8-bit alligned type TXY by TX,TY.

[Imperatorn]

On Tuesday, 19 September 2023 at 06:41:49 UTC, Vitaliy Fadeev 
wrote:
> On Tuesday, 19 September 2023 at 06:33:25 UTC, Richard (Rikki) 
> Andrew Cattermole wrote:
>> [...]
>
> Thank, Richard.
>
> ```.offsetof...``` mmm...
>
> May be exists some like:
>
> ```d
> // TXYXY = Detect!(TX,TX)
> // Detect!(uint,uint) == ulong
> template Detect(TX,TY)
> {
>     static if ( TX.sizeof + TY.sizeof <= 8 )
>         alias Detect = ubyte;
>     else
>     static if ( TX.sizeof + TY.sizeof <= 16 )
>         alias Detect = ushort;
>     else
>     static if ( TX.sizeof + TY.sizeof <= 32 )
>         alias Detect= uint;
>     else
>     static if ( TX.sizeof + TY.sizeof <= 64 )
>         alias Detect= ulong;
>     else
>     static if ( TX.sizeof + TY.sizeof <= 128 )
>         alias Detect= ucent;
>     else
>         static assert( 0, "Expected size TX+TY <= 128" );
> }
> ```

Do a mixin