Would it be possible to extend the DEPRECATED pragma to
allow one to deprecate an instance of a class?
I was thinking about the recent discussion of APIs on
haskell-cafe, where Jérémy Bobbio complained about using
Booleans as arguments to libaray functions, preferring
instead sensibly named data c
Hi,
the following (reduced) example used to go through with ghc-6.2.2 but
fails with ghc-6.4. Which behaviour is correct? I compile with:
ghc -fglasgow-exts Context.hs
module Context where
class Language a
class Language a => Logic a b | a -> b
class (Language a, Logic b c, Logic d e)
=> C
Bulat Ziganshin writes:
PS> Since pure FFI calls don't have any side-effects, they are
PS> always safe to be called unsafely.
> sorry, but even pure C function can call back to Haskell world and
> lead to GC.
Um, right. I said I didn't understand these things
completely either. Guess I was r
Hello Peter,
Friday, May 20, 2005, 1:30:08 PM, you wrote:
PS> just for the record, it's not my article. Although I have the
PS> privilege of sharing a somewhat similar name with the geniuses
PS> around here, I didn't have any part in that text. ;-)
i answered your letter but wrote to Simon PJ
P
Duncan Coutts writes:
> So to sumarise the pairings:
> * you _must_ make a safe call to an unsafe foreign function
> * you _may_ make an unsafe call to a safe foreign function
>
> It's a contravariance :-)
I'd use a slightly different term. Declaring a function that
needs special
On Fri, 2005-05-20 at 11:30 +0200, Peter Simons wrote:
> Since pure FFI calls don't have any side-effects, they are
> always safe to be called unsafely. (Yes, the choice of the
> words "safe" and "unsafe" is a bit unfortunate in the standard
> here.)
To try and undo this confusion we need to reca
Bulat,
just for the record, it's not my article. Although I have the
privilege of sharing a somewhat similar name with the geniuses
around here, I didn't have any part in that text. ;-)
You were wondering about this declaration:
> foreign import ccall unsafe sin :: Float -> Float
I guess you
Hello Alistair,
Friday, May 20, 2005, 11:18:15 AM, you wrote:
BA> I believe the web-server mentioned became HWS:
BA> http://cvs.sf.net/viewcvs.py/haskell-libs/libs/hws-wp/hws-wp/src/
thank you
BA> (I don't see any error/inconsistency in the two quotes; they just seem to be
BA> talking about d
> From: Bulat Ziganshin [mailto:[EMAIL PROTECTED]
>
> and one more question: is it possible to download sources of http
> server mentioned in this article? i want to browse the code, it's no
> matter how it compiles and works
I believe the web-server mentioned became HWS:
http://cvs.sf.net/view
