On March 16, 2010 09:29:06 Louis Wasserman wrote: > I'd like to request some more feedback on the > proposed<http://hackage.haskell.org/trac/ghc/ticket/3909>implementation > for priority queues in containers. Mostly, I feel like > adding a new module to containers should be contentious, and there hasn't > been as much griping or contention as I expected. The silence is feeling > kind of eerie!
Not sure if this is an appropriate question at all as I haven't looked at the code, but would it be possible to put any primary functionality into a class. I'm thinking something along the lines of how the vector code works. This allows you to use all the higher-order functions (i.e., those implemented using the primary functions) on a different underlying implementation. I've found this particularly useful in wrapping Perl data types. For the Perl array, all I had to do was write an class instance for the vector module, and I have all these higher-order functions I could use from existing code. It would be very nice to have had something similar to do for the hash tables. Even to just provide a "native haskell" immutable look into the data so Haskell code can extract the components it needs with standard functions. Cheers! -Tyson PS: I'm still working on the wrapping, so I might change my mind as to how useful this really is, but thought I should throw it out there.
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