Am Mittwoch, 5. Dezember 2007 00:16 schrieb Per Gundberg: > Have you looked at the proposed view patterns? It seems like it would > cover the case you gave here. I don't know if there's work being done in > this area though. > > http://hackage.haskell.org/trac/ghc/wiki/ViewPatterns > > //Gundberg
I cannot resist citing Henning Thielemann (actually translating from German). The following text is from is very good squib about how to become a scripting language hater within five days [1]. Please take it with a grain of humor. I don’t want to offend anyone. Here’s the text: > The root idea of functional programming simplifies many things. No need to > distinguish between constants and variables, no “call by reference”, no > assignments, no predefined loop structures—everything is manageable and the > effects of functions are controllable. > > It is clear that this situation must not stay this way. Bit by bit, > disciples of Perl and Python discover Haskell and demand that Haskell will > be plastered with syntactic sugar until the simplicity of the functional > approach isn’t visible anymore. Sadly, they seem to be successful with this > as syntax extensions like parallel list comprehensions show. > > Many Haskell newcomers don’t seem to bother studying the concept of > functions and the wide variety of applications of higher order functions. > They rather avoid everything systematic and construct their programs mainly > from syntactic sugar like list comprehensions, guards, pattern guards, infix > operators and do notation, optionally also with pettifogging recursions. > Because they don’t know anything else, they aren’t tired of emphasizing how > important such syntactic sugar is. In addition, the strict order of > dataflow imposed by functions is attacked again and again. Yes, global > variables are just immortal. [1] <http://users.informatik.uni-halle.de/~thielema/ScriptingHater.html> Best wishes, Wolfgang _______________________________________________ Haskell mailing list Haskell@haskell.org http://www.haskell.org/mailman/listinfo/haskell
