[Haskell-cafe] Vector-like data structure

[Don Stewart]

Interesting. Thanks for  the feedback.

You were referring to Stephen Blackheath's BerkeleyDB package?

    http://hackage.haskell.org/cgi-bin/hackage-scripts/package/BerkeleyDB

-- Don

gtener:
> Thank both of you for your responses. Unfortunately I decided to
> switch to Python for this project, as I plan to use BerkeleyDB and
> Haskell bindings for it are poorly written.
> 
> Best regards
> 
> Christopher Skrzętnicki
> 
> 2009/5/3 Don Stewart <dons at galois.com>:
> > gtener:
> >> Hi
> >>
> >> I'm looking for a data structure with following characteristics:
> >> 1. O(1) lookup
> >> 2. O(1) modification
> >> 3. amortized O(1) append
> >> 4. O(1) size query
> >>
> >> This roughly characterizes C++ vector<> class. I'm ready to implement
> >> it myself, but first I would like to ask if anyone knows package with
> >> similar data structure.
> >> If there are many, which one would you choose and why?
> >>
> >
> > A number of the array packages behave like this.  The trie packages are
> > O(log(wordsize)), so another option (they tend to have better append
> > complexity as well).
> >
> > -- Don
> >
>