Thanks, and new question re existensials

1999-11-03 Thread Ronald J. Legere
First, thanks to those who responded to my request RE vectors. I looked at the stuff suggested, very instructional. I realized however that all I really wanted was to instanciate Num a => Num [a], so I just did it, in only a few lines. I dont know why I just didnt do it :) Second, I have to a

RE: FW: No lo Borres

1999-11-03 Thread BERNARDO J. CUPELLO
Un regalo para todos ustedes, no hay nada mejor que esto para decorar su escritorio o protector de pantallas. Try the Webshots Desktop today and start getting a new photo every day of the year! follow this link: http://cards.webshots.com/ecash.fcgi?[EMAIL PROTECTED]

Re: [haskell] Good theory texts?

1999-11-03 Thread John Atwood
Some suggestions: Abelson, Sussman and Sussman, _The Structure and Interpretation of Computer Programs_. http://www-mitpress.mit.edu/sicp/ especially chapter 3 about the costs and benefits of introducing assignment. Barendregt's _The Lambda Caclulus_ or his paper: _T

Vectors. Reply

1999-11-03 Thread S.D.Mechveliani
Ronald J. Legere <[EMAIL PROTECTED]> writes on 2 Nov 1999 > Has anyone out there written up a vector/matrix > package (i.e. , support for types Num a => [a] ). > ... http://haskell.org/docon contains the program, that among other issues, can, for example, compute the things like

Re: Vectors

1999-11-03 Thread Thorsten Zoerner
> Has anyone out there written up a vector/matrix >package (i.e. , support for types Num a => [a] ). >Ideally such a package would instance Num, etc, and support >matrix multiplication, etc etc. I did look on the haskell >web page, but cannot find anythign like this. There exists a page by Jan S

RE: Default declarations

1999-11-03 Thread Mark P Jones
Sven, You've already heard from nhc, hbc, and ghc, so here's the perspective from Hugs-land to complete your set. | What is the rationale for the second condition, i.e. why is no | defaulting done when a user-defined class is involved? Example: Defaulting is one of those places where Haskell ma