On Mon, Jun 28, 2010 at 12:00 AM, Alexander Solla <[email protected]> wrote: > > On Jun 27, 2010, at 12:29 PM, Alexey Khudyakov wrote: > >> This is of course faster but what I really want is vectors with length >> parametrized by type. This way I can write generic code. Uniform >> representation is requirement for that. > > You're going to need dependent types, or a similar construction, for that. > > "Do We Need Dependent Types?" > http://www.brics.dk/RS/01/10/index.html
Dependent types would be nice but there isn't anything usable out there. Newtype wrapper parametrized by type level number works fine so far. If you interested sources are available here: http://bitbucket.org/Shimuuar/nvector http://bitbucket.org/Shimuuar/type-numbers Thank you for the link. It seems that part of paper describes applicative functors. _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
