65 lines
4 KiB
HTML
65 lines
4 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: Function KEYWORDP</TITLE>
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<A NAME="keywordp"><I>Function</I> <B>KEYWORDP</B></A> <P>
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<P><B>Syntax:</B><P>
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<P>
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<B>keywordp</B> <I>object</I> => <I>generalized-boolean</I><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>object</I>---an <A REL=DEFINITION HREF="26_glo_o.htm#object"><I>object</I></A>. <P>
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<I>generalized-boolean</I>---a <A REL=DEFINITION HREF="26_glo_g.htm#generalized_boolean"><I>generalized boolean</I></A>. <P>
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<P><B>Description:</B><P>
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<P>
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Returns <A REL=DEFINITION HREF="26_glo_t.htm#true"><I>true</I></A> if <I>object</I> is a <A REL=DEFINITION HREF="26_glo_k.htm#keyword"><I>keyword</I></A>[1]; otherwise, returns <A REL=DEFINITION HREF="26_glo_f.htm#false"><I>false</I></A>. <P>
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<P><B>Examples:</B><P>
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<P>
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<PRE>
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(keywordp 'elephant) => <A REL=DEFINITION HREF="26_glo_f.htm#false">false</A>
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(keywordp 12) => <A REL=DEFINITION HREF="26_glo_f.htm#false">false</A>
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(keywordp :test) => <A REL=DEFINITION HREF="26_glo_t.htm#true">true</A>
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(keywordp ':test) => <A REL=DEFINITION HREF="26_glo_t.htm#true">true</A>
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(keywordp nil) => <A REL=DEFINITION HREF="26_glo_f.htm#false">false</A>
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(keywordp :nil) => <A REL=DEFINITION HREF="26_glo_t.htm#true">true</A>
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(keywordp '(:test)) => <A REL=DEFINITION HREF="26_glo_f.htm#false">false</A>
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(keywordp "hello") => <A REL=DEFINITION HREF="26_glo_f.htm#false">false</A>
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(keywordp ":hello") => <A REL=DEFINITION HREF="26_glo_f.htm#false">false</A>
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(keywordp '&optional) => <A REL=DEFINITION HREF="26_glo_f.htm#false">false</A>
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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> None.
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<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_consta.htm#constantp"><B>constantp</B></A>, <B>keyword</B>, <A REL=DEFINITION HREF="f_symbol.htm#symbolp"><B>symbolp</B></A>, <A REL=DEFINITION HREF="f_symb_3.htm#symbol-package"><B>symbol-package</B></A> <P>
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<P><B>Notes:</B> None.
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