Generalizing Network.CGI exceptions to MonadCatchIO

[Anders Kaseorg]

On Mon, 15 Mar 2010, Bas van Dijk wrote:
> But in addition we can advice the users of catchCGI to actually use the 
> CatchIO.catch instead by adding a deprecated pragma like:
> 
>  {-# DEPRECATED catchCGI "Use Control.Monad.CatchIO.catch instead." #-}
> 
> Or is this to rude?

I’d have no objection to that, if the maintainer agrees.

> Something else: which MonadCatchIO package are you proposing to use:
> MonadCatchIO-mtl or MonadCatchIO-transformers? I guess the former
> because cgi depends on mtl.

Right, one change at a time.  :-)

> In that case we should contact the maintainer of MonadCatchIO-mtl and 
> ask if he can add the following functions: bracket_, bracketOnError and 
> finally (types and definitions below).

Sure, those would definitely be nice to have regardless.

Anders