[Haskell-cafe] Combining sequences

Thomas Hartman tphyahoo at gmail.com
Mon Apr 6 00:26:18 EDT 2009

It's not in hugs, nor in ghc.

It's just in hackage. However, by the looks of it, you should probably
be able to use it in hugs. I didn't actually check this, but the cabal
file didn't name any fancy extensions, so it looks pretty

You can just go to


wget http://hackage.haskell.org/packages/archive/utility-ht/0.0.4/utility-ht-0.0.4.tar.gz


and put them with the rest of the files your hugs compiler uses for
package import. (I don't actually know how package installation works
in hugs... isn't it just put the files into a dir?)


2009/4/5 michael rice <nowgate at yahoo.com>:
> Thanks. It looks like mergeBy will do the job, but is it available in Hugs?
> Michael
> --- On Sun, 4/5/09, Henning Thielemann <lemming at henning-thielemann.de>
> wrote:
> From: Henning Thielemann <lemming at henning-thielemann.de>
> Subject: Re: [Haskell-cafe] Combining sequences
> To: "michael rice" <nowgate at yahoo.com>
> Cc: haskell-cafe at haskell.org
> Date: Sunday, April 5, 2009, 9:09 PM
> On Sat, 4 Apr 2009, michael rice wrote:
>> Is there a simple way to combine two sequences that are in ascending order
>> into a single
>> sequence that's also in ascending order? An example would be the squares
>> [1,4,9,16,25..]
>> combined with the cubes [1,8,27,64,125..] to form [1,1,4,8,9,16,25,27..].
> http://hackage.haskell.org/packages/archive/utility-ht/0.0.4/doc/html/Data-List-HT.html#v%3AmergeBy
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