e75e406f84
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1773 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
25 lines
727 B
Plaintext
25 lines
727 B
Plaintext
=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.29.2
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Copyright (c) 1998-2007 Paulo Moura. All Rights Reserved.
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=================================================================
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% start by loading the example:
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| ?- logtalk_load(proxies(loader)).
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...
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% print the area and the perimeter for all circle proxies:
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| ?- forall(circle(Id, R, C), (write(Id), write(' '), circle(R, C)::print)).
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#1 area: 4.75291, perimeter: 7.72831, color: blue
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#2 area: 43.2412, perimeter: 23.3106, color: yellow
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#3 area: 0.477836, perimeter: 2.45044, color: green
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#4 area: 103.508, perimeter: 36.0655, color: black
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#5 area: 217.468, perimeter: 52.2761, color: cyan
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yes
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