Cygwin and GHC on Windows

2001-05-21 Thread Antony Courtney
Can someone explain to me why: (1) The GHC installation instructions state that you should install Cygwin before installing GHC on Windows, but (2) GHC seems to ship with its own versions of many of the Cygwin utilities (including perl and the Cygwin dll) ? On my Windows 2000 machine, this

PP with HaXml 1.02

2001-05-21 Thread Taesch, Luc
Im proceeding with basic exploratory tests witrh HaXml (1.02, winhugs feb 2001) the pretty print return the closing on the next line, like Person-XML Name string where i expect Person-XML Name string what am i doing wrong ? ( the call is like

Re: PP with HaXml 1.02

2001-05-21 Thread Ketil Malde
Taesch, Luc [EMAIL PROTECTED] writes: the pretty print return the closing on the next line, like Person-XML Name string where i expect Person-XML Name string My guess is that HaXML doesn't validate (using the DTD) or simply ignores it for pretty

SAIG'01 Extended Deadline

2001-05-21 Thread Walid Taha
CALL FOR PAPERS Semantics, Applications and Implementation of Program Generation (SAIG'01) PLI Workshop, September 6th, 2001. (EXTENDED DEADLINE: June 1st, 2001) Program generation has the prospect of being an integral part

ANNOUNCE: nhc98 1.04 and Hat 1.04

2001-05-21 Thread Malcolm Wallace
We are pleased to announce a new release of the nhc98 compiler, and in particular its facilities (both brand new and improved old stuff) for tracing and debugging Haskell programs - the Hat system. The basic nhc98 compiler version 1.04 is mostly a bugfix release (details listed at the bottom of

Problem to load the file Stack.hs with Hugs98

2001-05-21 Thread Mickaël GAUTIER
Hello, Iwould like to use the file stack.hs wich is provided with Hugs 98 but the following message errors display: "Haskell98 does not support restricted type synonyms" Can you explain me why and how I can load stack.hs ? Thanks in advance

Re: Problem to load the file Stack.hs with Hugs98

2001-05-21 Thread Marcin 'Qrczak' Kowalczyk
Mon, 21 May 2001 20:51:37 +0200, Mickaël GAUTIER [EMAIL PROTECTED] pisze: I would like to use the file stack.hs wich is provided with Hugs 98 but the following message errors display: Haskell98 does not support restricted type synonyms Can you explain me why and how I can load stack.hs ?

Recursive types?

2001-05-21 Thread David Bakin
I'm having trouble understanding recursive types (e.g., as described in Functional Programming with Overloading and Higher-Order Polymorphism by Jones. He gives as an example data Mu f = In (f (Mu f)) data NatF s = Zero | Succ s type Nat = Mu NatF Among the things I don't get

Recursive types?

2001-05-21 Thread Tom Pledger
David Bakin writes: | I'm having trouble understanding recursive types (e.g., as described in | Functional Programming with Overloading and Higher-Order Polymorphism by | Jones. | | He gives as an example | | | data Mu f = In (f (Mu f)) | | data NatF s = Zero | Succ s | type

Re: HUGS error: Unresolved overloading

2001-05-21 Thread Laszlo Nemeth
Hi Mark, isSorted xs = and (zipWith (=) xs (tail xs)) In other words: When is a list xs sorted? If each element in xs is less than or equal to its successor in the list (i.e., the corresponding element in tail xs). That's right ... under cbn! At the same time David's version with