What do you use opDispatch for?

[Philippe Sigaud]

On Sun, Mar 21, 2010 at 23:02, BCS <none at anon.com> wrote:


> My unitted type uses it for it's value<->unit properties to get a single
> point of definition for each unit:
> http://www.dsource.org/projects/scrapple/browser/trunk/units/si2.d
>
>
Ah, I see, that's nice. You use the received string to feed another template
and generate what you need. Good idea.
Why did you make OfType opDispatch a static function?



> I've also been thinking of a way to build a compile time LINQ like program.
> If the comparison and boolean operators are overloadable, you could build
> prepared SQL queries from expressions at compile time.
>
> using(myDatabase.tables.baz.bar)   foreach(Row!(int) row;
> select!("baz.foo").whare(for.a != someInt && baz.c == bar.c))
>     do(row.foo);
>

If you have a limited number of methods like .whare, why use opDispach?
(Sorry if my question is naive).


  Philippe
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