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48 lines
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<!-- 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: Section 15.1.2</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="15_aacbb.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Previous]" SRC="../Graphics/Prev.gif" ALIGN=Bottom></A><A REL=UP HREF="15_a.htm"><IMG WIDTH=40 HEIGHT=40 ALT="[Up]" SRC="../Graphics/Up.gif" ALIGN=Bottom></A><A REL=NEXT HREF="15_aba.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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15.1.2 Specialized Arrays</H2> <P>
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An <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A> can be a <A REL=DEFINITION HREF="26_glo_g.htm#general"><I>general</I></A> <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A>, meaning each <A REL=DEFINITION HREF="26_glo_e.htm#element"><I>element</I></A> may be any <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>object</I></A>, or it may be a <A REL=DEFINITION HREF="26_glo_s.htm#specialized"><I>specialized</I></A> <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A>, meaning that each <A REL=DEFINITION HREF="26_glo_e.htm#element"><I>element</I></A> must be of a restricted <A REL=DEFINITION HREF="26_glo_t.htm#type"><I>type</I></A>. <P>
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The phrasing ``an <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A> <A REL=DEFINITION HREF="26_glo_s.htm#specialized"><I>specialized</I></A> to <A REL=DEFINITION HREF="26_glo_t.htm#type"><I>type</I></A> <<<I>type</I>>>'' is sometimes used to emphasize the <A REL=DEFINITION HREF="26_glo_e.htm#element_type"><I>element type</I></A> of an <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A>. This phrasing is tolerated even when the <<<I>type</I>>> is <A REL=DEFINITION HREF="t_t.htm#t"><B>t</B></A>, even though an <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A> <A REL=DEFINITION HREF="26_glo_s.htm#specialized"><I>specialized</I></A> to <A REL=DEFINITION HREF="26_glo_t.htm#type"><I>type</I></A> <A REL=DEFINITION HREF="26_glo_t.htm#t"><I>t</I></A> is a <A REL=DEFINITION HREF="26_glo_g.htm#general"><I>general</I></A> <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A>, not a <A REL=DEFINITION HREF="26_glo_s.htm#specialized"><I>specialized</I></A> <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A>. <P>
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The next figure lists some <A REL=DEFINITION HREF="26_glo_d.htm#defined_name"><I>defined names</I></A> that are applicable to <A REL=DEFINITION HREF="26_glo_a.htm#array"><I>array</I></A> creation, <A REL=DEFINITION HREF="26_glo_a.htm#access"><I>access</I></A>, and information operations. <P>
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<PRE>
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<A REL=DEFINITION HREF="f_adjust.htm#adjust-array">adjust-array</A> <A REL=DEFINITION HREF="f_ar_has.htm#array-has-fill-pointer-p">array-has-fill-pointer-p</A> <A REL=DEFINITION HREF="f_mk_ar.htm#make-array">make-array</A>
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<A REL=DEFINITION HREF="f_adju_1.htm#adjustable-array-p">adjustable-array-p</A> <A REL=DEFINITION HREF="f_ar_in_.htm#array-in-bounds-p">array-in-bounds-p</A> <A REL=DEFINITION HREF="f_svref.htm#svref">svref</A>
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<A REL=DEFINITION HREF="f_aref.htm#aref">aref</A> <A REL=DEFINITION HREF="f_ar_ran.htm#array-rank">array-rank</A> <A REL=DEFINITION HREF="f_upgr_1.htm#upgraded-array-element-type">upgraded-array-element-type</A>
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<A REL=DEFINITION HREF="f_ar_dim.htm#array-dimension">array-dimension</A> <A REL=DEFINITION HREF="v_ar_ran.htm#array-rank-limit">array-rank-limit</A> <A REL=DEFINITION HREF="f_upgrad.htm#upgraded-complex-part-type">upgraded-complex-part-type</A>
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<A REL=DEFINITION HREF="v_ar_dim.htm#array-dimension-limit">array-dimension-limit</A> <A REL=DEFINITION HREF="f_ar_row.htm#array-row-major-index">array-row-major-index</A> <A REL=DEFINITION HREF="a_vector.htm#vector">vector</A>
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<A REL=DEFINITION HREF="f_ar_d_1.htm#array-dimensions">array-dimensions</A> <A REL=DEFINITION HREF="f_ar_tot.htm#array-total-size">array-total-size</A> <A REL=DEFINITION HREF="f_vec_po.htm#vector-pop">vector-pop</A>
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<A REL=DEFINITION HREF="f_ar_dis.htm#array-displacement">array-displacement</A> <A REL=DEFINITION HREF="v_ar_tot.htm#array-total-size-limit">array-total-size-limit</A> <A REL=DEFINITION HREF="f_vec_ps.htm#vector-push">vector-push</A>
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<A REL=DEFINITION HREF="f_ar_ele.htm#array-element-type">array-element-type</A> <A REL=DEFINITION HREF="f_fill_p.htm#fill-pointer">fill-pointer</A> <A REL=DEFINITION HREF="f_vec_ps.htm#vector-push-extend">vector-push-extend</A>
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</PRE>
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<P><B>Figure 15-1. General Purpose Array-Related Defined Names</B> <P>
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<A REL=CHILD HREF="15_aba.htm"><H2>
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15.1.2.1 Array Upgrading</H2></A><P>
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<A REL=CHILD HREF="15_abb.htm"><H2>
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15.1.2.2 Required Kinds of Specialized Arrays</H2></A><P><HR>
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