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<!DOCTYPE HTML>
<HTML LANG="en-us"
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>unexport | Common Lisp Nova Spec</TITLE
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><TD ALIGN="LEFT" VALIGN="BASELINE" WIDTH="100%" CLASS="name"
><SPAN CLASS="idx" DATA-KIND="idxref" DATA-TERM="unexport"
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><B
>unexport</B
></TD
><TD ALIGN="RIGHT" VALIGN="BASELINE" WIDTH="0" NOWRAP="NOWRAP" CLASS="ftype"
><I
>Function</I
></TD
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></TABLE
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><DL
><DT
><B
>Syntax</B
></DT
><DD
><P CLASS="j"
><B
>unexport</B
> <SPAN CLASS="cmssi"
>symbols</SPAN
> <SPAN CLASS="cmtt"
>&amp;optional</SPAN
> <SPAN CLASS="cmssi"
>package</SPAN
> <SPAN CLASS="arrow"
>&#8594;</SPAN
> <SPAN CLASS="misc"
><B
>t</B
></SPAN
></P
></DD
><DT
><B
>Arguments and Values</B
></DT
><DD
><P CLASS="j"
><VAR CLASS="param"
>symbols</VAR
> &#8212; a <A HREF="26_1_Glossary.html#designator"
><EM CLASS="term"
>designator</EM
></A
> for a <A HREF="26_1_Glossary.html#list"
><EM CLASS="term"
>list</EM
></A
> of <A HREF="26_1_Glossary.html#symbol"
><EM CLASS="term"
>symbols</EM
></A
>. </P
><P CLASS="j"
><VAR CLASS="param"
>package</VAR
> &#8212; a <A HREF="26_1_Glossary.html#package_designator"
><EM CLASS="term"
>package designator</EM
></A
>. The default is the <A HREF="26_1_Glossary.html#current_package"
><EM CLASS="term"
>current package</EM
></A
>.</P
></DD
><DT
><B
>Description</B
></DT
><DD
><P CLASS="j"
><A HREF="f_unexport.html" CLASS="funref"
><B
>unexport</B
></A
> reverts external <VAR CLASS="param"
>symbols</VAR
> in <VAR CLASS="param"
>package</VAR
> to internal status; it undoes the effect of <A HREF="f_export.html" CLASS="funref"
><B
>export</B
></A
>. </P
><P CLASS="j"
><A HREF="f_unexport.html" CLASS="funref"
><B
>unexport</B
></A
> works only on <A HREF="26_1_Glossary.html#symbol"
><EM CLASS="term"
>symbols</EM
></A
> <A HREF="26_1_Glossary.html#present"
><EM CLASS="term"
>present</EM
></A
> in <VAR CLASS="param"
>package</VAR
>, switching them back to internal status. If <A HREF="f_unexport.html" CLASS="funref"
><B
>unexport</B
></A
> is given a <A HREF="26_1_Glossary.html#symbol"
><EM CLASS="term"
>symbol</EM
></A
> that is already <A HREF="26_1_Glossary.html#accessible"
><EM CLASS="term"
>accessible</EM
></A
> as an <A HREF="26_1_Glossary.html#internal_symbol"
><EM CLASS="term"
>internal symbol</EM
></A
> in <VAR CLASS="param"
>package</VAR
>, it does nothing.</P
></DD
><DT
><B
>Examples</B
></DT
><DD
><PRE CLASS="screen"
>(in-package "COMMON-LISP-USER") <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> #&lt;PACKAGE "COMMON-LISP-USER"&gt;
(export (intern "CONTRABAND" (make-package 'temp)) 'temp) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> T
(find-symbol "CONTRABAND") <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> NIL, NIL
(use-package 'temp) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> T
(find-symbol "CONTRABAND") <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> CONTRABAND, :INHERITED
(unexport 'contraband 'temp) <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> T
(find-symbol "CONTRABAND") <SPAN CLASS="cmsy"
><SPAN CLASS="arrow"
>&#8594;</SPAN
></SPAN
> NIL, NIL</PRE
></DD
><DT
><B
>Side Effects</B
></DT
><DD
><P CLASS="j"
>Package system is modified.</P
></DD
><DT
><B
>Affected By</B
></DT
><DD
><P CLASS="j"
>Current state of the package system.</P
></DD
><DT
><B
>Exceptional Situations</B
></DT
><DD
><P CLASS="j"
>If <A HREF="f_unexport.html" CLASS="funref"
><B
>unexport</B
></A
> is given a <A HREF="26_1_Glossary.html#symbol"
><EM CLASS="term"
>symbol</EM
></A
> not <A HREF="26_1_Glossary.html#accessible"
><EM CLASS="term"
>accessible</EM
></A
> in <VAR CLASS="param"
>package</VAR
> at all, an error of <A HREF="26_1_Glossary.html#type"
><EM CLASS="term"
>type</EM
></A
> <A HREF="t_package-error.html" CLASS="typeref"
><B
>package-error</B
></A
> is signaled. </P
><P CLASS="j"
>The consequences are undefined if <VAR CLASS="param"
>package</VAR
> is the <SPAN CLASS="packref"
><SPAN CLASS="cmtt"
>KEYWORD</SPAN
></SPAN
> <A HREF="26_1_Glossary.html#package"
><EM CLASS="term"
>package</EM
></A
> or the <SPAN CLASS="packref"
><SPAN CLASS="cmtt"
>COMMON-LISP</SPAN
></SPAN
> <A HREF="26_1_Glossary.html#package"
><EM CLASS="term"
>package</EM
></A
>.</P
></DD
><DT
><B
>See Also</B
></DT
><DD
><P CLASS="j"
><A HREF="f_export.html" CLASS="funref"
><B
>export</B
></A
>, <A HREF="11_1_Package_Concepts.html#sec_11_1" CLASS="secref"
><SPAN CLASS="cmr"
>Section</SPAN
> <SPAN CLASS="cmr"
>11.1</SPAN
> <SPAN CLASS="cmr"
>(Package</SPAN
> <SPAN CLASS="cmr"
>Concepts)</SPAN
></A
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