32 lines
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32 lines
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<!Converted with LaTeX2HTML 0.6.5 (Tue Nov 15 1994) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds >
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<HEAD>
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<TITLE>2.6. Hash Tables</TITLE>
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<meta name="description" value=" Hash Tables">
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<b>Common Lisp the Language, 2nd Edition</b>
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<BR> <HR><A NAME=tex2html1915 HREF="node34.html"><IMG ALIGN=BOTTOM ALT="next" SRC="icons/next_motif.gif"></A> <A NAME=tex2html1913 HREF="node15.html"><IMG ALIGN=BOTTOM ALT="up" SRC="icons/up_motif.gif"></A> <A NAME=tex2html1907 HREF="node32.html"><IMG ALIGN=BOTTOM ALT="previous" SRC="icons/previous_motif.gif"></A> <A NAME=tex2html1917 HREF="node1.html"><IMG ALIGN=BOTTOM ALT="contents" SRC="icons/contents_motif.gif"></A> <A NAME=tex2html1918 HREF="index.html"><IMG ALIGN=BOTTOM ALT="index" SRC="icons/index_motif.gif"></A> <BR>
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<B> Next:</B> <A NAME=tex2html1916 HREF="node34.html"> Readtables</A>
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<B>Up:</B> <A NAME=tex2html1914 HREF="node15.html"> Data Types</A>
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<B> Previous:</B> <A NAME=tex2html1908 HREF="node32.html"> Bit-Vectors</A>
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<HR> <P>
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<H1><A NAME=SECTION00660000000000000000>2.6. Hash Tables</A></H1>
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<P>
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Hash tables provide an efficient way of mapping any
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Lisp object (a <i>key</i>) to an associated object.
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They are provided as primitives of Common Lisp because
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some implementations may need to use internal storage
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management strategies that would make it very difficult
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for the user to implement hash tables in a portable fashion.
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Hash tables are described in chapter <A HREF="node154.html#HASH">16</A>.
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<P><ADDRESS>
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AI.Repository@cs.cmu.edu
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