Jens-Ulrik Petersen wrote:
For some time I haven't been able to compile ghc from cvs. [...]
What's going wrong? [...]
Config.hs:2: Data constructor not in scope: `_ProjectName' [...]
Until recently (including 4.06) GHC confused variables having names
starting with an underscore followed by an
Sven Panne wrote:
[...] This has been fixed for 4.07, but as people are supposed to be
able to build 4.07 with pre-4.07 compilers, I'll change those
identifiers in the driver sources with something more defensive.
I've just realised that this is not the true story. You *can* build
4.07 with
Michael Marte wrote:
I have a simple problem but it seems to be quite involved: I want to print
floating point numbers with a given number of decimal points.
First, I found out that both ghc and hugs do not consider the precision
argument to showPrec.
What precision argument? There's a
Hi Marcin,
| module M where
|
| class Seq s a | s - a where
| m :: Seq s b = (a - b) - s a - s b
This combination of constructor classes and functional dependencies
looks very odd! The dependency says that, if you pick a particular
implementation s of sequences, then there will be at most
