[Haskell-beginners] Evaluation oddity
Francesco Ariis
fa-ml at ariis.it
Sun Feb 6 19:02:47 UTC 2022
Hello Otto,
Il 06 febbraio 2022 alle 19:00 Torsten Otto ha scritto:
> When I call
>
> *Main> diffieH 23 16 20
> 13
>
> and use the result in
>
> *Main> encipher "abc" 13
> „nop"
>
> I get the letters to be expected. However, when I combine these into
>
> > start text p a b = encipher text (diffieH p a b)
>
> *Main> start "abc" 23 16 20
> „efg"
>
> the result changes.
You should always write top level signatures by hand in your
code. What is the signature that you want for `diffieH`?
This is the inferred one
λ> :t diffieH
diffieH :: (Integral a, Integral b) => a -> b -> a -> a
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