Adding manual worker/wrapper transforms to Data.Map

[Johan Tibell]

On Fri, Aug 20, 2010 at 11:20 AM, Johan Tibell <johan.tibell at gmail.com>wrote:

> On Fri, Aug 20, 2010 at 11:13 AM, Roman Leshchinskiy <rl at cse.unsw.edu.au>wrote:
>
>>  Out of curiosity, is balance strict in the third argument? If not, does
>> it make a difference if you make it strict?
>>
>
> I haven't checked since Milan completely rewrote balance but hasn't
> integrated his changes yet. I'll have a look at balance once those changes
> are in.
>

$ ghc --show-iface dist/build/Data/Map.hi

<snip>
   balance :: forall k a.
             k -> a -> Data.Map.Map k a -> Data.Map.Map k a -> Data.Map.Map
k a
    {- Arity: 4 Strictness: SLSS -}
<snip>

So I guess it's strict in the 3rd (and 4th) argument.

-- Johan
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.haskell.org/pipermail/libraries/attachments/20100820/fea2335d/attachment.html