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Article #10027大家来看看这个Scheme表达式
From: liuqi
Date: Tue, 09 Sep 2003 13:59
Date: Tue, 09 Sep 2003 13:59
7 lines
1438 bytes
1438 bytes
(define (a-plus-abs-b a b) ((if (> b 0) + -) a b)) ��������SICP�����е�һ��scheme���ʽ�� ������������ʵ���� a+|b|,����a�����ϡ�b�ľ��ֵ����. �ܿ�ɣ���ֻ�Ǻܼġ� ���˶�scheme����Ȥ�� ���ǿ�������ĸ�����ҳ��ſ�ʼѧscheme(����[ski:m])�ġ�
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X-Google-Language: Chinese,GB X-Google-Thread: 10b277,804322f30b960c29,start X-Google-Attributes: gid10b277,public X-Google-ArrivalTime: 2003-09-09 06:54:28 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-06!sn-xit-08!supernews.com!priapus.visi.com!news-out.visi.com!petbe.visi.com!newsfeed.media.kyoto-u.ac.jp!newsgate.cuhk.edu.hk!news.cn99.com!not-for-mail From: "liuqi" <liuqionline@163.com> Newsgroups: cn.comp.os.linux Subject: 大家来看看这个Scheme表达式 Date: Tue, 09 Sep 2003 21:59:30 +0800 Organization: nwpu Lines: 7 Message-ID: <pan.2003.09.09.13.59.15.218292@163.com> NNTP-Posting-Host: 219.145.91.5 Mime-Version: 1.0 Content-Type: text/plain; charset=gb2312 Content-Transfer-Encoding: 8bit X-Trace: mail.cn99.com 1063115644 50638 219.145.91.5 (9 Sep 2003 13:54:04 GMT) X-Complaints-To: usenet@news.cn99.com NNTP-Posting-Date: Tue, 9 Sep 2003 13:54:04 +0000 (UTC) User-Agent: Pan/0.13.3 (That cat's something I can't explain)