[Haskell-cafe] Purely Functional Data Structures

Don Stewart dons at galois.com
Sat Mar 7 17:59:45 EST 2009


gue.schmidt:
> Hi,
>
> is the above mentioned book still *the* authority on the subject?
>
> I bought the book, read about 10 pages and then put it back on the  
> shelf. Um.
> In my app I have to deal with 4 csv files, each between 5 - 10 mb, and  
> some static data.
> 
> I had put all that data into an Sqlite3 database and used SQL on it.  
> But, as the requirements keep changing the SQL becomes a bit messy. I  
> guess we've all had that experience.
>
> So I'm wondering if I will find clues in this book how to do my querying  
> and handling of moderately large data in a more haskellish way and be  
> able to drop the SQL.

Use the fine libraries on http://hackage.haskell.org. 

E.g. bytestring-csv then load that into a finite map?

These days it is rare to have to roll your own new data structures...

-- don


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