- Hugs-Bugs - Haskell.org

Here goes nothing..
by C.Reinke 30 May '02

30 May '02

Simple Haskell program: main = getLine >>= print What would you expect Hugs to do with this if you run the program with an empty input stream? And what do you think Hugs does instead?-) For me, it loops, printing white space.. GHC gives me the end-of-file exception I expected, so this looks like a bug in Hugs? Claus

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Dynamic variables ...
by Amr Sabry 23 May '02

23 May '02

Using Hugs -98 (Dec. 2001), the following diverges during typechecking: runList :: (?basis_elem :: [a]) => Int -> ((?basis :: [[a]]) => t) -> t runList n x = x with ?basis = allLists n ?basis_elem Using one pair for (n,x) gives something like John Hughes bug 10 on http://cvs.haskell.org/Hugs/pages/buglist.html. The variants below all work fine. --Amr --------------------------------------------- runPair :: (?basis_a :: [a], ?basis_b :: [b]) => ((?basis :: [(a,b)]) => t) -> t runPair x = x with ?basis = [(a,b) | a <- ?basis_a, b <- ?basis_b ] runTriple :: (?basis_a :: [a], ?basis_b :: [b], ?basis_c :: [c]) => ((?basis :: [(a,b,c)]) => t) -> t runTriple x = x with ?basis = [(a,b,c) | a <- ?basis_a, b <- ?basis_b, c <- ?basis_c ] runList3 :: (?basis_elem :: [a]) => ((?basis :: [[a]]) => t) -> t runList3 x = x with ?basis = allLists 3 ?basis_elem allLists :: Int -> [a] -> [[a]] allLists 0 _ = [[]] allLists n bs = [ x:xs | x <- bs, xs <- allLists (n-1) bs ]

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by richy 23 May '02

23 May '02

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COLLEGATI E...
by 100milasuonerie.com 21 May '02

21 May '02

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debian packages for hugs?
by alfonso_acosta_mail＠yahoo.es 19 May '02

19 May '02

hi: I'd like to know if there are or will be aviable .deb packages of last hugs version. Thanks _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com

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Your message to Haskell awaits moderator approval
by haskell-admin＠haskell.org 17 May '02

17 May '02

Your mail to 'Haskell' with the subject NOSHADE CLASS Is being held until the list moderator can review it for approval. The reason it is being held: Message body is too big: 133785 bytes but there's a limit of 40 KB Either the message will get posted to the list, or you will receive notification of the moderator's decision.

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Re: Hugs & Cygwin
by Sigbjorn Finne 16 May '02

16 May '02

[moved to hugs-bugs] "Koen Claessen" <koen(a)cs.chalmers.se> writes: > ... > > Then, when I run `hugs', a windows window (!) pops up with > an error that `cygreadline5.dll' cannot be found. I checked > in /usr/lib, and there lies a fine libreadline.a, so I do > not understand why it is using dlls in the first place. (I > would like to get this fixed though.) > That's because libreadline.a refers to that DLL (i.e., not a Hugs issue, just the way readline is packaged up under cygwin.) You need to make sure that the DLL is accessible via your PATH. > When I reconfigure without --with-readline, an executable is > generated which dumps core without doing anything else right > away. > As I said, I can't repro this with the current sources. --sigbjorn

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Single-Portal LetsFindUs gestartet!
by LetsFindUs 15 May '02

15 May '02

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It is not a bug, but...
by . 14 May '02

14 May '02

Trying to build Hugs98 December 2001 version, I've discovered that nmake does not build "install" target (maybe there's no "install" in winhugs makefile?) and it does not build .hlp file. It does not create shortcut to "hugs.exe" on desktop (maybe it should not, but docs claim that it builds help file, creates shortcut, etc.) However, WinHugs executable builds OK,and runs fine. Therefore, I have a few unanswered questions: can I download hugs.hlp from somewhere? If the above features were not caused by my faults, but by some deficiency in makefiles, may I send you a few lines to add to winhugs/makefile ?

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"dodo" bug
by Edmund GRIMLEY EVANS 13 May '02

13 May '02

The following program prints 16843011 when I run it (version December 2001 of Hugs, compiled with gcc-3.0 or gcc-2.95.1). Replace "else x" by "else True" to get the expected result. Can you reproduce this, or is my system broken? Edmund jj [] = 0 jj (x:xs) = x + (jj xs) * 256 dodo :: Int dodo = jj (map f [0..3]) where f k = y where y = case True of _ -> (if (if True then True else x) then id else id) 0 x = True main = print dodo

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