Make lines stricter to fix a space leak

[Christian Maeder]

Am 24.09.2010 21:21, schrieb Daniel Fischer:
> Proposal: A stricter implementation of lines.
> 
> Reason: The current implementation causes a space leak (cf. 
> http://homepages.inf.ed.ac.uk/wadler/papers/leak/leak.ps), at least in GHC.
> 
> The proposed implementation fixes the leak at the small cost of being 
> stricter if the first _|_ in the String is the first character of a line.
> 
> Discussion period: Three weeks, until 15th October (because of ICFP).
> 
> Ticket: http://hackage.haskell.org/trac/ghc/ticket/4334

You make interesting proposals. Changing a let to a case!

I wonder if a generic version costs performance?

 lines = breaksBy (== "\n")
  (or "linesBy" or "splitBy")

Cheers Christian

> 
> Cheers,
> Daniel