[Haskell-cafe] curious about sum
Keith Sheppard
keithshep at gmail.com
Wed Jun 17 15:50:45 EDT 2009
Haskell's numeric literals are strict. You wouldn't want that to
change right? It seems to me that having sum and product be strict is
consistent with this.
-Keith
On Wed, Jun 17, 2009 at 11:15 AM, Thomas Davie<tom.davie at gmail.com> wrote:
>
> On 17 Jun 2009, at 13:32, Yitzchak Gale wrote:
>
>> Henk-Jan van Tuyl wrote:
>>>
>>> reverse
>>> maximum
>>> minimum
>>
>> Oh yes, please fix those also!
>
> import Prelude.Strict?
>
> Honestly, these functions are ones that I've *deffinately* used lazy
> versions of, in fact, in the cases of minimum/maximum I've even used ones
> that are super-lazy and parallel using unamb.
>
> It would be extremely odd to randomly decide "most people would want this to
> be strict" based on no knowledge of what they're actually doing. Instead,
> why don't we stand by the fact that haskell is a lazy language, and that the
> functions we get by default are lazy, and then write a strict prelude as I
> suggest above to complement the lazy version.
>
> Bob
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