Re: perhaps

At Wed, 2 Aug 2006 19:42:45 -0700, John Meacham wrote:

does anyone else think this would be useful to provide?

I remember wanting something like that on several occassions in the past, but I can not remember the exact details. I think I wanted something like: data Perhaps a = No | Maybe a | Yes Or possibly: data Perhaps n m y = No n | Maybe m | Yes y But I do not remember what I was trying to do, so I am not sure. j.