[Haskell-cafe] Prelude.head: empty list
qdunkan at gmail.com
Fri Mar 11 17:34:31 UTC 2016
On Fri, Mar 11, 2016 at 7:56 AM, Han Joosten <han.joosten.han at gmail.com> wrote:
> Of course I know that head is partial, and should be used with care.
How about never? I do fine with either case and a Maybe-returning
variant. So if I see that error it's definitely library code... which
unfortunately has happened a few times. I wish library authors went
with "never" as well!
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