Re: BAL paper available >> graphic libraries

2001-05-16 Thread Jerzy Karczmarczuk
Dylan Thurston cites : > > ... if we [...] want an > > adapted functional language, either we will have to wait quite long, > > or perhaps it is the time to invent another language, with a more > > dynamic type system, with intrinsic graphic utilities, and other > > goodies. > > For myself, I do

RE: BAL paper available

2001-05-16 Thread Wojciech Moczydlowski, Jr
On Wed, 16 May 2001, Simon Marlow wrote: > > Besides, MArray.lhs uses ST and ST requires not only > > multiparameter type > > classes, but also explicit universal quantification. > > ST doesn't require multiparameter type classes (although MArray does). You're of course right. > It also doesn

RE: Scoped type variables

2001-05-16 Thread Simon Peyton-Jones
| | When you say there's a good theoretical foundation (typed lambda | | calcului) I think you are imagining that when we say | | | | f (x::a) = e | | | | we are saying "There's a /\a as well as a \x::a in this definition". | | No, that's not what I'm thinking. OK, let me try to give some

RE: BAL paper available

2001-05-16 Thread Simon Peyton-Jones
| Despite my extremely deep respect for all people contributing | to Haskell, despite my love for the language etc. I begin to | suspect that it has been standardized too early, and if we | (Sergey, other people interested in math, | as Dylan Thurston, myself, etc., as well as people who want

Re: Integers to Ints

2001-05-16 Thread Fergus Henderson
On 16-May-2001, Steinitz, Dominic J <[EMAIL PROTECTED]> wrote: > Can someone explain the following behaviour? Or is it a bug in hugs? It looks to me very much like it is a bug in Hugs. ghc 4.04 does not suffer from this bug. It's easy to make mistakes like this, which can often arise from forge

Re: BAL paper available

2001-05-16 Thread C T McBride
On Wed, 16 May 2001, Stefan Karrmann wrote: > On Tue, May 15, 2001 at 09:14:02PM +0300, Dylan Thurston wrote: > > On Tue, May 15, 2001 at 06:33:41PM +0200, Jerzy Karczmarczuk wrote: > > > Serge Mechveliani : > > > > ... > > > > The matter was always in parametric domains ... > > > > Whoever tried

Re: Integers to Ints

2001-05-16 Thread Rijk-Jan van Haaften
Hello, >Can someone explain the following behaviour? Or is it a bug in hugs? I can not explain it. Rather strange is that even this is allowed: (fromIntegral (toInteger (minBound::Int) + 1) -1) :: Int yielding -2147483648 > > (fromIntegral(toInteger(minBound::Int))::Int) > >Program error: {prim

Integers to Ints

2001-05-16 Thread Steinitz, Dominic J
Can someone explain the following behaviour? Or is it a bug in hugs? X690v5> (fromIntegral(toInteger(minBound::Int))::Int) Program error: {primIntegerToInt (-2147483648)} (15 reductions, 70 cells) X690v5> (fromIntegral(toInteger((minBound::Int)+1))::Int) -2147483647 (21 reductions, 29 cells) X

Book reviewers for Journal of Functional Programming

2001-05-16 Thread S.J.Thompson
I am looking for book reviewers for the Journal of Functional Programming. Book reviews provide a service to the functional programming community by critically appraising many of the key books coming out in the field. If you are interested in becoming a reviewer, please send me an email with

RE: BAL paper available

2001-05-16 Thread Simon Marlow
> > I don't like the idea of a program working which compiles only under > compilers which have certain language extensions built in. > > If I understand things correctly, there is a list of language > extensions > (FFI for example), which has been accepted by all Haskell > compilers develop

Re: BAL paper available

2001-05-16 Thread Ashley Yakeley
At 2001-05-16 00:18, Wojciech Moczydlowski, Jr wrote: >> I think multiparameter type classes or other extensions to Haskell 98 are >> really needed to solve these kinds of problems in a simple and elegant way. >> >> The right solution, IMHO, is to extend nhc and other Haskell compilers >> to sup

WFLP 2001 deadline extension to May 22, 2001

2001-05-16 Thread Frank Steiner
Due to various requests, the DEADLINE FOR SUBMISSIONS to WFLP 2001 International Workshop on Functional and (Constraint) Logic Programming Kiel, Germany, September 13-15, 2001 http://www.informatik.uni-kiel.de/~wflp2001 has been EXTENDED

Re: BAL paper available

2001-05-16 Thread Wojciech Moczydlowski, Jr
On Wed, 16 May 2001, Fergus Henderson wrote: > On 15-May-2001, Wojciech Moczydlowski, Jr <[EMAIL PROTECTED]> wrote: > > On 15 May 2001, Marcin 'Qrczak' Kowalczyk wrote: > > > What should be improved compared to existing STUArray Int Double > > > and similar? > > > > A simple standard proposal, n