Done, I believe. It'll be in the next release (6.3/6.4).
Simon
| -Original Message-
| From: [EMAIL PROTECTED]
[mailto:glasgow-haskell-users-
| [EMAIL PROTECTED] On Behalf Of Mike Gunter
| Sent: 07 December 2003 16:50
| To: [EMAIL PROTECTED]
| Subject: Re: ghc warnings messed up in 6.01
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
