[Haskell-beginners] Mixed division

[Ut Primum]

Hi,
when you write 3 Haskell sees it as a "num" while the type of the length
[1,2,3] is "int". So 3 and length [1,2,3] have not the same type.

Il ven 5 feb 2021, 19:23 Lawrence Bottorff <borgauf at gmail.com> ha scritto:

> I can divide a float by an integer
>
> >  2.4 / 3
> 0.7999999999999999
>
> but why can I not do this?
>
> < 2.4 / (length [1,2,3])
> <interactive>:288:1-22: error:
>     * No instance for (Fractional Int) arising from a use of `/'
>     * In the expression: 2.4 / (length [1, 2, 3])
>
> LB
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