[Haskell-cafe] Is there a library that has a strict version of `sum`?

Vanessa McHale vanessa.mchale at iohk.io
Tue Aug 14 18:09:36 UTC 2018

Yes, that was what I was never quite clear on. What is your *actual
problem, in context*, not the problem you think you have because you
read elsewhere that foldl' is more efficient?

On 08/14/2018 01:07 PM, Bryan Richter wrote:
> On 08/14/2018 11:22 AM, Damian Nadales wrote:
>> Ok, so if understood the bottom line of the answers I got from
>> Vanessa and Hiromi the take away seems to be: if you're prototyping
>> then stick to the lazy version of sum, otherwise use more advanced
>> data structures (Vectors or Folds).
> Are you implying that lazy functions are only good for prototyping? Or
> is there something wrong with sum in particular?
> More generally, why isn't sum working for you?
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