On Wed, Sep 14, 2011 at 17:31, Ivan Lazar Miljenovic wrote: > On 15 September 2011 01:24, Sean Leather wrote: > > On Wed, Sep 14, 2011 at 05:03, Kazu Yamamoto wrote: > >> > >> I would like to have an efficient implementation of the chop function. > > > > [...] > > > >> > >> Are there any more efficient implementations of chop? Any suggestions? > > > > chop xs = go xs id "" > > where > > go "" _ = id > > go (c:cs) ss | isSpace c = go cs (ss . (:) c) > > go (c:cs) ss | otherwise = ss . (:) c . go cs id > > Why the extra case for go? The otherwise guard can be part of the > second case...
Do you mean "why include 'go (c:cs) ss' twice"? That's merely because I was working through several versions and forgot to merge the second and third cases before sending the email. Nothing sinister. Sean
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