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

[David Kraeutmann]

That isn't strict.

On 8/14/2018 4:38 PM, Imants Cekusins wrote:
> > `sum = foldl' (+) 0`
>
> here is another possibility with "sum" in it:
>
> Prelude Data.Monoid> let f = getSum . mconcat . (Sum <$>)
> Prelude Data.Monoid> f [1,2,3,4]
> 10
>
>
>
> On 14 August 2018 at 17:24, Vanessa McHale <vanessa.mchale at iohk.io 
> <mailto:vanessa.mchale at iohk.io>> wrote:
>
>     If you'd rather import a custom prelude instead of writing `sum =
>     foldl' (+) 0` you might want to think about how dependencies
>     affect maintaining a package.
>
>     What's the actual problem you're trying to solve?
>
>
>     On 08/14/2018 04:09 AM, Damian Nadales wrote:
>>     I thought the answer would be easy to find on the internet, but I
>>     cannot find any package that features a strict version of `sum`.
>>
>>     Do you know if such a function is defined anywhere? (like a
>>     custom prelude for instance)
>>
>>     I know it is trivial to define, but I would prefer not to repeat
>>     myself (and somebody else).
>>
>>     Thanks!
>>
>>
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