67 lines
4.1 KiB
HTML
67 lines
4.1 KiB
HTML
<!-- Common Lisp HyperSpec (TM), version 7.0 generated by Kent M. Pitman on Mon, 11-Apr-2005 2:31am EDT -->
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<TITLE>CLHS: Accessor SYMBOL-PLIST</TITLE>
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<H1><A REV=MADE HREF="http://www.lispworks.com/"><IMG WIDTH=80 HEIGHT=65 ALT="[LISPWORKS]" SRC="../Graphics/LWSmall.gif" ALIGN=Bottom></A><A REL=TOP HREF="../Front/index.htm"><IMG WIDTH=237 HEIGHT=65 ALT="[Common Lisp HyperSpec (TM)]" SRC="../Graphics/CLHS_Sm.gif" ALIGN=Bottom></A> <A REL=PREV HREF="f_symb_3.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="c_symbol.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="f_symb_5.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<A NAME="symbol-plist"><I>Accessor</I> <B>SYMBOL-PLIST</B></A> <P>
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<P><B>Syntax:</B><P>
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<P>
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<B>symbol-plist</B> <I>symbol</I> => <I>plist</I><P>
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<TT>(setf (</TT><B>symbol-plist</B> <I>symbol</I><TT>) </TT><I>new-plist</I><TT>)</TT><P>
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<P>
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<P><B>Arguments and Values:</B><P>
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<P>
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<I>symbol</I>---a <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbol</I></A>. <P>
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<I>plist</I>, <I>new-plist</I>---a <A REL=DEFINITION HREF="26_glo_p.htm#property_list"><I>property list</I></A>. <P>
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<P><B>Description:</B><P>
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<P>
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<A REL=DEFINITION HREF="26_glo_a.htm#access"><I>Accesses</I></A> the <A REL=DEFINITION HREF="26_glo_p.htm#property_list"><I>property list</I></A> of <I>symbol</I>. <P>
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<P><B>Examples:</B><P>
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<P>
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<PRE>
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(setq sym (gensym)) => #:G9723
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(symbol-plist sym) => ()
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(setf (get sym 'prop1) 'val1) => VAL1
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(symbol-plist sym) => (PROP1 VAL1)
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(setf (get sym 'prop2) 'val2) => VAL2
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(symbol-plist sym) => (PROP2 VAL2 PROP1 VAL1)
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(setf (symbol-plist sym) (list 'prop3 'val3)) => (PROP3 VAL3)
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(symbol-plist sym) => (PROP3 VAL3)
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</PRE>
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</TT> <P>
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<P><B>Side Effects:</B> None.
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<P>
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<P><B>Affected By:</B> None.
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<P>
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<P><B>Exceptional Situations:</B><P>
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<P>
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Should signal an error of <A REL=DEFINITION HREF="26_glo_t.htm#type"><I>type</I></A> <A REL=DEFINITION HREF="e_tp_err.htm#type-error"><B>type-error</B></A> if <I>symbol</I> is not a <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbol</I></A>. <P>
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<P><B>See Also:</B><P>
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<P>
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<A REL=DEFINITION HREF="f_get.htm#get"><B>get</B></A>, <A REL=DEFINITION HREF="f_rempro.htm#remprop"><B>remprop</B></A> <P>
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<P><B>Notes:</B><P>
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<P>
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The use of <A REL=DEFINITION HREF="m_setf_.htm#setf"><B>setf</B></A> should be avoided, since a <A REL=DEFINITION HREF="26_glo_s.htm#symbol"><I>symbol</I></A>'s <A REL=DEFINITION HREF="26_glo_p.htm#property_list"><I>property list</I></A> is a global resource that can contain information established and depended upon by unrelated programs in the same <A REL=DEFINITION HREF="26_glo_l.htm#lisp_image"><I>Lisp image</I></A>. <P>
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<HR>
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<A REL=NAVIGATOR HREF="../Front/StartPts.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Starting Points]" SRC="../Graphics/StartPts.gif" ALIGN=Bottom></A><A REL=TOC HREF="../Front/Contents.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Contents]" SRC="../Graphics/Contents.gif" ALIGN=Bottom></A><A REL=INDEX HREF="../Front/X_Master.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Index]" SRC="../Graphics/Index.gif" ALIGN=Bottom></A><A REL=INDEX HREF="../Front/X_Symbol.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Symbols]" SRC="../Graphics/Symbols.gif" ALIGN=Bottom></A><A REL=GLOSSARY HREF="../Body/26_a.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Glossary]" SRC="../Graphics/Glossary.gif" ALIGN=Bottom></A><A HREF="../Front/X3J13Iss.htm"><IMG WIDTH=80 HEIGHT=40 ALT="[Issues]" SRC="../Graphics/Issues.gif" ALIGN=Bottom></A><BR>
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<A REL=COPYRIGHT HREF="../Front/Help.htm#Legal"><I>Copyright 1996-2005, LispWorks Ltd. All rights reserved.</I></A><P>
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