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  • Committer: Bazaar Package Importer
  • Author(s): Jan Christoph Nordholz
  • Date: 2008-05-26 22:09:44 UTC
  • mfrom: (2.1.1 lenny)
  • Revision ID: james.westby@ubuntu.com-20080526220944-ba7phz0d1k4vo7wx
Tags: 6.31.1+dfsg-1
* Remove a considerable number of files from the package
  due to unacceptable licensing terms.
* Repair library symlinks.

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html/answers2/answer54.html
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<HTML><HEAD><TITLE>Answer to Exercise 54</TITLE></HEAD>
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<BODY BGCOLOR="#FFFFFF">
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<TABLE><TR><TD Valign="top"><IMG SRC="../icons/exercise.gif" ALT="??"><TD bgcolor="#FAA89B"><B>ANSWER TO EXERCISE 54</B><TR><TD><TD>
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<P>
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<PRE>
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Class  Coin
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  with name "coin" "coins//p",
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       description "A round unstamped disc, presumably local currency.",
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       list_together "coins",
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       plural
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       [;  print (string) (self.&#38;name)--&#62;0;
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           if (~~(listing_together ofclass Coin)) print " coins";
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       ],
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       short_name
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       [;  if (listing_together ofclass Coin)
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           {   print (string) (self.&#38;name)--&#62;0; rtrue; }
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       ],
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       article
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       [;  if (listing_together ofclass Coin) print "one"; else print "a";
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       ];
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Class  Gold_coin   class Coin with name "gold";
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Class  Silver_coin class Coin with name "silver";
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Class  Bronze_coin class Coin with name "bronze";
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SilverCoin -&#62; "silver coin";
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... and so on
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</PRE>
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</TABLE>
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<HR>Back to <A HREF="../section23.html#ex54">the exercise in section 23</A><HR>
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<SMALL><I>Mechanically translated to HTML from third edition as revised 16 May 1997. Copyright &#169; Graham Nelson 1993, 1994, 1995, 1996, 1997: all rights reserved.</I></SMALL></BODY></HTML>