[Haskell-cafe] Re: Type-level arithmetic

[Jonathan Cast]

On Fri, 2007-10-12 at 13:52 -0400, Steve Schafer wrote:
> On Fri, 12 Oct 2007 18:24:38 +0100, you wrote:
> 
> >I was actually thinking more along the lines of a programming language 
> >where you can just write
> >
> >  head :: (n > 1) => List n x -> x
> >
> >  tail :: List n x -> List (n-1) x
> >
> >  (++) :: List n x -> List m x -> List (n+m) x
> >
> >and so forth.
> 
> How, then, is that any different from a general-purpose programming
> language? You're just drawing the "line in the sand" in a different
> place. You end up with a programming system where compilation is a "side
> effect" of executing the "real" program.

I'd use that language...

jcc