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

[Imants Cekusins]

> `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> 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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