| World.hs:42:0:
|No instances for (Eq (a (M.Map String Player)),
| Eq (a (M.Map ItemId Item)),
| Eq (a (M.Map PlayerId Player)),
| Eq (a (M.Map RoomId Room)),
| Eq (a RoomId))
| arising from the 'deriving'
adding OPTIONS -XStandaloneDeriving made no difference
The following patch fixed the problem. (Well, at least the mud program
compiles. I haven't actually tried using it yet.)
[EMAIL PROTECTED]:~/mud>darcs whatsnew
{
hunk ./World.hs 50
-deriving Eq
+-- deriving Eq
+
+instance Eq (World TV
On Fri, May 23, 2008 at 5:11 PM, Thomas Hartman <[EMAIL PROTECTED]> wrote:
> I am assuming this used to work, but something changed, either in TH
> itself or switching from ghc6.6 to ghc6.8.
The "deriving" rules of 6.8 are more restrictive in some cases.
However, the same result can be obtained
On Sat, May 24, 2008 at 1:11 AM, Thomas Hartman <[EMAIL PROTECTED]> wrote:
> World.hs:42:0:
> No instances for (Eq (a (M.Map String Player)),
> Eq (a (M.Map ItemId Item)),
> Eq (a (M.Map PlayerId Player)),
> Eq (a (M.Map RoomId Room)),
>
