[Haskell-cafe] Prelude.undefined

[Ben Millwood]

On Wed, Mar 3, 2010 at 6:15 AM, Ivan Miljenovic
<ivan.miljenovic at gmail.com> wrote:
> On 3 March 2010 16:11, Tom Hawkins <tomahawkins at gmail.com> wrote:
>> -Wall only complains about shadow bindings, defined but not used, and
>> no type signature.  But no unmatched patterns.
>
> Yes it does: one of the options it brings in is
> -fwarn-incomplete-patterns which tells you if you've missed a pattern
> match.
>
> http://www.haskell.org/ghc/docs/latest/html/users_guide/options-sanity.html
>

I think he meant that it doesn't because he doesn't have any :)