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<TITLE>CLHS: Section 9.1.5</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="09_adbd.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="09_a.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="09_af.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Next]" SRC="../Graphics/Next.gif" ALIGN=Bottom></A></H1>
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<H2>
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9.1.5 Assertions</H2> <P>
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Conditional signaling of <A REL=DEFINITION HREF="26_glo_c.htm#condition"><I>conditions</I></A> based on such things as key match, form evaluation, and <A REL=DEFINITION HREF="26_glo_t.htm#type"><I>type</I></A> are handled by assertion <A REL=DEFINITION HREF="26_glo_o.htm#operator"><I>operators</I></A>. The next figure shows <A REL=DEFINITION HREF="26_glo_o.htm#operator"><I>operators</I></A> relating to assertions. <P>
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<PRE>
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<A REL=DEFINITION HREF="m_assert.htm#assert">assert</A> <A REL=DEFINITION HREF="m_check_.htm#check-type">check-type</A> <A REL=DEFINITION HREF="m_case_.htm#ecase">ecase</A>
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<A REL=DEFINITION HREF="m_case_.htm#ccase">ccase</A> <A REL=DEFINITION HREF="m_tpcase.htm#ctypecase">ctypecase</A> <A REL=DEFINITION HREF="m_tpcase.htm#etypecase">etypecase</A>
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</PRE>
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<P><B>Figure 9-7. Operators relating to assertions.</B> <P>
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