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45 lines
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3.4.7 Defsetf Lambda Lists</H2> <P>
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A <A REL=DEFINITION HREF="26_glo_d.htm#defsetf_lambda_list"><I>defsetf lambda list</I></A> is used by <A REL=DEFINITION HREF="m_defset.htm#defsetf"><B>defsetf</B></A>. <P>
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A <A REL=DEFINITION HREF="26_glo_d.htm#defsetf_lambda_list"><I>defsetf lambda list</I></A> has the following syntax: <P>
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<P> <PRE>
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lambda-list::= (var*
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[&optional {var | (var [init-form [supplied-p-parameter]])}*]
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[&rest var]
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[&key {var | ({var | (keyword-name var)} [init-form [supplied-p-parameter]])}* [&allow-other-keys]]
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[&environment var]
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</PRE>
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<P>
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A <A REL=DEFINITION HREF="26_glo_d.htm#defsetf_lambda_list"><I>defsetf lambda list</I></A> can contain the <A REL=DEFINITION HREF="26_glo_l.htm#lambda_list_keyword"><I>lambda list keywords</I></A> shown in the next figure. <P>
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<PRE>
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&allow-other-keys &key &rest
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&environment &optional
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</PRE>
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<P><B>Figure 3-19. Lambda List Keywords used by Defsetf Lambda Lists</B> <P>
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A <A REL=DEFINITION HREF="26_glo_d.htm#defsetf_lambda_list"><I>defsetf lambda list</I></A> differs from an <A REL=DEFINITION HREF="26_glo_o.htm#ordinary_lambda_list"><I>ordinary lambda list</I></A> only in that it does not permit the use of <TT>&aux</TT>, and that it permits use of <TT>&environment</TT>, which introduces an <A REL=DEFINITION HREF="26_glo_e.htm#environment_parameter"><I>environment parameter</I></A>. <P>
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