[Haskell-cafe] Newbie question

[Jerzy Karczmarczuk]

Le 15/01/2022 à 15:32, Terry Phelps a écrit :
...
> *last [] = [] *
> (Yes, I know that's not a non-empty list, but I don't want ghci 
> whining about non-exhaustive patterns). Then I added:
>
> *last [x] = x*


Please notice that these two clauses are type-incoherent, unless *x* is 
a list

Jerzy Karczmarczuk



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