Article View: comp.lang.functional
Article #1095Re: How do i approach this problem?
From: nospm
Date: Mon, 17 Feb 2003 19:44
Date: Mon, 17 Feb 2003 19:44
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1467 bytes
In article <b2rbba$6dc$1@news.gu.se>, "Konrad Den Ende" <chamsterkonrad@bigfoot.com> writes: > ... many whitespace > loudly at my computer and kicking a garbage can) this: > [x:xs | xs <- [[1,2,3],[4,5,6]], x <- head xs] > ... > I ment the outcome to be [[1,1,2,3],[4,4,5,6]] and i have two questions. ever tried: Prelude> map (\x->head x:x) [xs | xs <-[[1,2,3],[4,5,6]] ] [[1,1,2,3],[4,4,5,6]] hope it would help :) -Philip
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 107f24,a907e0b23c6eca41 X-Google-Attributes: gid107f24,public X-Google-Thread: 10f6e0,a907e0b23c6eca41 X-Google-Attributes: gid10f6e0,public X-Google-ArrivalTime: 2003-02-17 11:46:03 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!newsfeed.stanford.edu!logbridge.uoregon.edu!newsfeed.vmunix.org!newsfeed01.sul.t-online.de!newsmm00.sul.t-online.com!t-online.de!news.t-online.com!not-for-mail From: nospm@uni-koblenz.de Newsgroups: comp.lang.functional,cth.dtek.general Subject: Re: How do i approach this problem? Date: Mon, 17 Feb 2003 20:44:08 +0100 Organization: T-Online Lines: 15 Sender: philip@uni-koblenz.de Message-ID: <b2re27$td5$01$1@news.t-online.com> References: <b2rbba$6dc$1@news.gu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: news.t-online.com 1045511048 01 30117 7SWhEP-XS3ApiN 030217 19:44:08 X-Complaints-To: abuse@t-online.com X-Sender: 320053041887-0001@t-dialin.net X-Newsreader: knews 1.0b.1