Thomas, Ivan, Thanks much for the info. -- Peter
On Wed, Sep 15, 2010 at 8:00 PM, Ivan Lazar Miljenovic <[email protected]> wrote: > On 16 September 2010 12:47, Peter Schmitz <[email protected]> wrote: >> Not that I'm having any problem with parsec 2.1.0.1, but I guess I >> would like to install the latest (3.1.0), unless there is a reason >> not to. > > Because Parsec-3 apparently still has some speed regressions compared > to Parsec-2 (I'm not qualified to note whether its design is slow or > if you have to use it differently to get good performance out of it), > so many developers prefer to stick to Parsec-2 for this reason. > > As such, and because a lot of Cabal files just state "parsec" without > a dependency, by default cabal-install will assume that an unversioned > dependency (which includes installing/upgrading it via the command > line) refers to Parsec-2 and not Parsec-3. > > -- > Ivan Lazar Miljenovic > [email protected] > IvanMiljenovic.wordpress.com > _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
