Re: EnumFromThen

Malcolm Wallace <[email protected]> Mon, 10 Apr 2006 11:23:22 +0100
Newsgroups gmane.comp.lang.haskell.nhc.bugs
Organization Dept of Computer Science, University of York
Message-ID <[email protected]>
[email protected] wrote:

> I found a bug in nhc98-1.18.

Yes indeed!  I wonder how that one escaped attention for so long...

> $ diff src/prelude/Prelude/Enum_Integer.hs src/prelude/Prelude/Enum_Integer.hs
> 14c14
> <   enumFromThen x y = x : enumFromThen y (2*y-x)
> ---
> >   enumFromThen x y = x : enumFromThen y (2*y+x)

Your patch format is the wrong way round, but I get the idea.
Thanks!

Regards,
    Malcolm