On 6 September 2010 04:25, David Menendez <[email protected]> wrote: > On Sun, Sep 5, 2010 at 8:47 AM, Ivan Lazar Miljenovic > <[email protected]> wrote: >> I _can_ think of a data type that could conceivably be an instance of >> Pointed but not Applicative: a BloomFilter (though there's not really >> any point in having a BloomFilter with only one value that I can see, >> but maybe someone can since there's the singletonB function). > > Do Bloom filters have a Functor instance?
Nope; once something is in the bloom filter you can't change it (you can't even apply an a -> a map if I understand correctly). -- Ivan Lazar Miljenovic [email protected] IvanMiljenovic.wordpress.com _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
