[Haskell-cafe] killer app sought

Keith Sheppard keithshep at gmail.com
Sun Oct 4 01:08:02 EDT 2009

I think having access to the parsec library would be a major plus that
you can show off. Eg: you can have a RoR based email web app that uses
parsec parsing to figure out which sections of an email thread belong
to which author...


On Sat, Oct 3, 2009 at 11:08 PM, Mark Wotton <mwotton at gmail.com> wrote:
> Hi,
> I've been writing a little binding from Ruby to Haskell called Hubris
> (http://github.com/mwotton/Hubris) which I think has some potential both for
> making Haskell web apps easier to write, and also for bringing the more
> adventurous Ruby programmers into the Haskell community. Code-wise it's
> coming along nicely, and once 6.12 is out it'll run without modifications at
> least on Linux (remains to be seen how long it'll take to get the Mac
> patches into shape). My real problem is marketing: I need a killer app that
> shows it's easy either to
> 1. wrap a kickarse Haskell library in a convenient Ruby web app shell
> 2. speed up a poorly performing Ruby web app
> I've been badgering the Ruby guys in Sydney that I know on the second point,
> but either none of them have performance problems, or none of them want to
> admit it. The first is entirely possible - if you only attack the subset of
> problems where your runtime is dominated by the database and network
> latency, language performance is moot. Conversely, if that's your worldview,
> the other problems that could be attacked won't ever come to mind (to
> monstrously abuse the Sapir-Whorf hypothesis).
> So, I'm asking you guys. What are some really nice Haskell libraries or apps
> that could benefit from being shown off in one of the plethora of slick,
> mature web frameworks that exist in Ruby? Manuel Chakravarty suggested
> something with vector operations in order to take advantage of his
> 'accelerate' library (once it gets a GPU backend, of course), and more
> generally, something taking advantage of Haskell's support for multicore
> would be cool. (The standard edition of Ruby is still unicore, I believe.)
> Parenthetically yours,
> Mark
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