PLILP/ALP/HOA 1997 - Call for Participation

1997-07-08 Thread Hugh Glaser
The programme, call for participation and registration form for the PLILP/ALP/HOA 1997 conferences (September 3-5, Southampton, UK) are now available from: http://www.ecs.soton.ac.uk/southampton1997/ The early registration deadline is August 4th, 1997. PLILP '97 -- Ninth International Symposium

Re: Lexer/Parser for Haskell in Haskell?

1997-07-08 Thread Sven Panne
Graeme Moss wrote: > Has anyone written a parser for Haskell 1.4 in Haskell 1.4? [...] I would be very interested in this, too. > Has Happy (the parser generator) been upgraded to Haskell 1.3/1.4 yet? My *very* unofficial port of Happy 0.9a to Haskell 1.4 is available at http://www.pms.inf

Re: Maybe type

1997-07-08 Thread John C. Peterson
This is certainly a small bug in the Hugs Prelude. If you look at the 1.4 report, the order of the constructors is correct. I think this bug went back to the 1.2 report and has been sitting in the Hugs prelude since then. This will be fixed in the official Hugs 1.4 release. John

Re: Maybe type

1997-07-08 Thread Joe Fasel
It looks like a mistake to me, too. --Joe | The definition of Maybe (at least in the Hugs prelude) is: | | data Maybe a = Just a | Nothing |deriving (Eq, Ord, Read, Show) | | The (to me) unfortunate consequence of this is that "Nothing" is the upper | bound of the type (as oppo

Re: Lexer/Parser for Haskell in Haskell?

1997-07-08 Thread Thomas Hallgren at home
Graeme Moss wrote: > > Has anyone written a parser for Haskell 1.4 in Haskell 1.4? > Has any compiler written the lexer/parser in Haskell? Nhc13 [1] by Niklas Rojemo contains both a lexer and a parser for/in Haskell 1.3. (The differences between 1.3 and 1.4 are small [2].) The parsing combinato