has anyone else noticed that the warnings generated by ghc appear to
have become quite incorrect in many cases?
in particular, the 'defined but not used' warning is generated
spuriously a lot. almost as if it is being checked after dead code
elimination and desugaring of some sort..
here is an
John Meacham wrote:
[...] ;ghc -W -fglasgow-exts Foo.hs
The current HEAD version (no idea about the release branch) of ghc correctly
says:
Foo.hs:1:
Warning: Module `List' is imported, but nothing from it is used
(except perhaps instances visible in `List')
Foo.hs:7: Warning:
Simon seems to have agreed that The Right Thing is to treat bindings
with names beginning with an underscore as if they are used w.r.t. to
the bindings they use (they're already treated as used w.r.t. warnings
for themselves.) With this enhancement (and the other warning fixes
apparently already
Hi people,
I have just downloaded the fptools with the purpose of use the hdirect.
But when I execute a make boot; make in the hdirect directory in the
middle of the compile process I get the following error:
...
On 05-Dec-2003, Christian Maeder [EMAIL PROTECTED] wrote:
instance Show a = Show (List a) where
showsPrec _ Nil = showString []
showsPrec _ l =
showString [ . showsl l . showString ]
where -- showsl :: List a - ShowS-- for ghc
-- showsl :: Show a =
On 05-Dec-2003, Derek Elkins [EMAIL PROTECTED] wrote:
Abraham Egnor [EMAIL PROTECTED] wrote:
I've occasionally wanted some sort of equivalent of an instanceOf
function in haskell, i.e. one that would let me define a function that
could dispatch on the type of its argument as well as the
Hello,
There is a thread on comp.lang.functional that talks about why haskell
does not support recursive types:
http://groups.google.com/groups?q=ocaml+rectypeshl=enlr=lang_enie=UTF-8oe=UTF-8safe=offselm=8giqpt%24oee%241%40rivesaltes.inria.frrnum=1
(searching for 'ocaml rectypes' on google
Henk-Jan.van.Tuyl [EMAIL PROTECTED] writes:
L.S.,
(Whom?)
Does anyone know about documentation (preferably on the Web) on how to
prevent/find/remove space leaks? Are there any differences between
Hugs and GHC or any other Haskell platform, regarding space leaks?
I should probably invest
On 06-Dec-2003, Sven Panne [EMAIL PROTECTED] wrote:
Henk-Jan.van.Tuyl wrote:
[...] it looks to me, that the problem of space leaks is a very good reason
to not use Haskell for commercial applications. Java, for example, does
not have this problem.
I just can't resist when I read PR
