[Haskell-cafe] what about adding a HIDE pragma ?
I know about
module Foo (
exportedFuncA,
ExportedType(..)
) where
exportedFuncA :: ..
exportedFuncA = ..
data ExportedType = ExportedType
It's great that you can only export a subset of all functions defined
in a module. However this kind of declaration causes some work when merging
branches etc. Its not a big deal but takes time.
So does it make sense to add this information using pragmas?
{-# HIDE logInfo, logError #-}
logInfo :: Int - String - (Bool, Double)
logInfo = logM INFO this.module
logError :: Int - String - (Bool, Double)
logInfo = logM ERROR this.module
Adding a pragma like HIDE, EXPORT is only a small change but can make a
big difference in everyday life ?
Can template haskell add those pragmas as well?
Marc Weber
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Re: [Haskell-cafe] what about adding a HIDE pragma ?
Hello Marc, Wednesday, July 22, 2009, 4:28:49 PM, you wrote: So does it make sense to add this information using pragmas? pragmas shouldn't change program behavior or alter whether program may be compiled of course, LANGUAGE pragmas violate this law, but is considered as bug in Haskell developments rather than welcomed feature -- Best regards, Bulatmailto:bulat.zigans...@gmail.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
Re: [Haskell-cafe] what about adding a HIDE pragma ?
On 22 Jul 2009, at 14:53, Bulat Ziganshin wrote: Hello Marc, Wednesday, July 22, 2009, 4:28:49 PM, you wrote: So does it make sense to add this information using pragmas? pragmas shouldn't change program behavior or alter whether program may be compiled of course, LANGUAGE pragmas violate this law, but is considered as bug in Haskell developments rather than welcomed feature Why shouldn't they? I'm not particularly in support of this idea -- it makes it less clear what is being exported by the module, but I don't get your reasoning. Bob ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
Re[2]: [Haskell-cafe] what about adding a HIDE pragma ?
Hello Thomas, Wednesday, July 22, 2009, 5:08:15 PM, you wrote: Why shouldn't they? I'm not particularly in support of this idea -- it makes it less clear what is being exported by the module, but I don't get your reasoning. pragmas supposed to be some hints to compiler helping it to improve speed or debugging. program semantic shouldn't be altered when all pragmas are stripped off. otherwise, we are easily lose difference between pragmas and language itself -- Best regards, Bulatmailto:bulat.zigans...@gmail.com ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
