One way in which regexps are "foreign to Haskell-think" is that, if they break, they generally break at run-time. This could be ameliorated with template haskell, but a substantial portion of Haskell coders find that a smell itself.
On Wed, Feb 13, 2013 at 8:32 AM, Nicolas Bock <nicolasb...@gmail.com> wrote: > Since I have very little experience with Haskell and am not used to > Haskell-think yet, I don't quite understand your statement that regexes are > seen as foreign to Haskell-think. Could you elaborate? What would a more > "native" solution look like? From what I have learned so far, it seems to > me that Haskell is a lot about clear, concise, and well structured code. I > find regexes extremely compact and powerful, allowing for very concise > code, which should fit the bill perfectly, or shouldn't it? > > Thanks, > > nick > > > > On Wed, Feb 13, 2013 at 8:12 AM, Brandon Allbery <allber...@gmail.com>wrote: > >> On Tue, Feb 12, 2013 at 11:32 PM, <bri...@aracnet.com> wrote: >> >>> actualy native code compiler. Can't regex be done effectively in >>> haskell ? Is it something that can't be done, or is it just such minimal >>> effort to link to pcre that it's not worth the trouble ? >>> >> >> PCRE is pretty heavily optimized. POSIX regex engines generally rely on >> vendor regex libraries which my not be well optimized; there is a native >> Haskell implementation as well, but that one runs into a different issue, >> namely a lack of interest (regexes are often seen as "foreign" to >> Haskell-think, so there's little interest in making them work well; people >> who *do* need them for some reason usually punt to pcre). >> >> -- >> brandon s allbery kf8nh sine nomine >> associates >> allber...@gmail.com >> ballb...@sinenomine.net >> unix, openafs, kerberos, infrastructure, xmonad >> http://sinenomine.net >> > > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > >
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