ST Bug

[Sigbjorn Finne]

Not really, but I suspect if you turn off Haskell98 compatibility
mode, you'll see an immediate improvement :) i.e., invoke the
interpreter with the option "-98" added to the command-line.

The reason for having to enable the Hugs extensions is that the
ST module makes crucial use of rank-2 polymorphic types, which
goes beyond what Haskell98 standardised.

hth,
--sigbjorn

----- Original Message -----
From: "Carl McTague" <mctague@one.net>
To: <hugs-bugs@haskell.org>
Sent: Saturday, September 08, 2001 12:31
Subject: ST Bug


> Hi, when I try to use Hugs 98 to run code that appeals to the ST
> library, I get the following error:
>
>   ERROR /home/mctague/share/hugs/lib/exts/ST.hs:48 - Syntax error in type
expression (unexpected `.')
>   Monad>
>
> Could I be doing something silly?
>
> Carl
>
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