331 lines
No EOL
6.5 KiB
HTML
331 lines
No EOL
6.5 KiB
HTML
<!DOCTYPE HTML>
|
|
<HTML LANG="en-us"
|
|
><HEAD
|
|
><TITLE
|
|
>make-instance | Common Lisp Nova Spec</TITLE
|
|
><META CHARSET="US-ASCII"
|
|
><LINK REL="canonical" HREF="f_make-instance.html"
|
|
><LINK REL="next" HREF="f_make-instances-obsolete.html" TYPE="text/html" TITLE="make-instances-obsolete"
|
|
><LINK REL="prev" HREF="f_remove-method.html" TYPE="text/html" TITLE="remove-method"
|
|
><LINK REL="up" HREF="7_7_Objects_Dictionary.html" TYPE="text/html" TITLE="7.7 Objects Dictionary"
|
|
><LINK REL="start" HREF="index.html" TYPE="text/html" TITLE="Common Lisp Nova Spec"
|
|
><META NAME="VIEWPORT" CONTENT="width=device-width, initial-scale=1.0"
|
|
><LINK REL="STYLESHEET" HREF="dpans.css%3F3909942064.css"
|
|
><SCRIPT SRC="dpans.js%3F3909942064"
|
|
></SCRIPT
|
|
><SCRIPT SRC="apropos.js%3F3909942064"
|
|
></SCRIPT
|
|
></HEAD
|
|
><BODY
|
|
><DIV
|
|
><DIV CLASS="topnav"
|
|
><DIV CLASS="breadcrumb"
|
|
><SPAN CLASS="breadcrumb-item"
|
|
><A HREF="index.html"
|
|
>Common Lisp Nova Spec</A
|
|
></SPAN
|
|
> <SPAN CLASS="breadcrumb-item"
|
|
>→ <A HREF="7_Objects.html"
|
|
>7. Objects</A
|
|
></SPAN
|
|
> <SPAN CLASS="breadcrumb-item"
|
|
>→ <A HREF="7_7_Objects_Dictionary.html"
|
|
>7.7 Objects Dictionary</A
|
|
></SPAN
|
|
> <SPAN CLASS="breadcrumb-item"
|
|
>→ <A HREF="f_make-instance.html"
|
|
>make-instance</A
|
|
></SPAN
|
|
></DIV
|
|
><DIV CLASS="apropos"
|
|
><DIV CLASS="apropos-io"
|
|
><A HREF="f_remove-method.html" CLASS="prev"
|
|
>←</A
|
|
><SPAN ID="apropos-label"
|
|
>Apropos </SPAN
|
|
><INPUT ID="apropos" AUTOFOCUS="AUTOFOCUS" PLACEHOLDER="Type here to search" ONINPUT="aproposInput(this);" ONKEYUP="aproposKeyup(event);" ONCHANGE="aproposChange(this);" ONFOCUS="aproposFocus(this);" ONFOCUSOUT="aproposFocusout(this);"
|
|
><A HREF="f_make-instances-obsolete.html" CLASS="next"
|
|
>→</A
|
|
></DIV
|
|
><DIV ID="apropos-res"
|
|
></DIV
|
|
></DIV
|
|
></DIV
|
|
><DIV CLASS="matter"
|
|
><DIV CLASS="com"
|
|
><DIV CLASS="begincom"
|
|
><HR
|
|
><TABLE WIDTH="100%" CELLSPACING="0" CELLPADDING="0"
|
|
><TR
|
|
><TD ALIGN="LEFT" VALIGN="BASELINE" WIDTH="100%" CLASS="name"
|
|
><SPAN CLASS="idx" DATA-KIND="idxref" DATA-TERM="make-instance"
|
|
></SPAN
|
|
><B
|
|
>make-instance</B
|
|
></TD
|
|
><TD ALIGN="RIGHT" VALIGN="BASELINE" WIDTH="0" NOWRAP="NOWRAP" CLASS="ftype"
|
|
><I
|
|
>Standard</I
|
|
> <I
|
|
>Generic</I
|
|
> <I
|
|
>Function</I
|
|
></TD
|
|
></TR
|
|
></TABLE
|
|
><HR
|
|
></DIV
|
|
><UL CLASS="subtoc"
|
|
></UL
|
|
><DL
|
|
><DT
|
|
><B
|
|
>Syntax</B
|
|
></DT
|
|
><DD
|
|
><P CLASS="j"
|
|
><B
|
|
>make-instance</B
|
|
> <SPAN CLASS="cmssi"
|
|
>class</SPAN
|
|
> <SPAN CLASS="cmtt"
|
|
>&rest</SPAN
|
|
> <SPAN CLASS="cmssi"
|
|
>initargs</SPAN
|
|
> <SPAN CLASS="cmtt"
|
|
>&key</SPAN
|
|
> <SPAN CLASS="cmtt"
|
|
>&allow-other-keys</SPAN
|
|
> <SPAN CLASS="arrow"
|
|
>→</SPAN
|
|
> <SPAN CLASS="cmssi"
|
|
>instance</SPAN
|
|
></P
|
|
></DD
|
|
><DT
|
|
><B
|
|
>Method Signatures</B
|
|
></DT
|
|
><DD
|
|
><P CLASS="j"
|
|
><B
|
|
>make-instance</B
|
|
> (<VAR CLASS="param"
|
|
>class</VAR
|
|
> <A HREF="t_standard-class.html" CLASS="typeref"
|
|
><B
|
|
>standard-class</B
|
|
></A
|
|
>) <SPAN CLASS="cmtt"
|
|
>&rest</SPAN
|
|
> <SPAN CLASS="cmssi"
|
|
>initargs</SPAN
|
|
></P
|
|
><P CLASS="j"
|
|
><B
|
|
>make-instance</B
|
|
> (<VAR CLASS="param"
|
|
>class</VAR
|
|
> <A HREF="t_symbol.html" CLASS="typeref"
|
|
><B
|
|
>symbol</B
|
|
></A
|
|
>) <SPAN CLASS="cmtt"
|
|
>&rest</SPAN
|
|
> <SPAN CLASS="cmssi"
|
|
>initargs</SPAN
|
|
></P
|
|
></DD
|
|
><DT
|
|
><B
|
|
>Arguments and Values</B
|
|
></DT
|
|
><DD
|
|
><P CLASS="j"
|
|
><VAR CLASS="param"
|
|
>class</VAR
|
|
> — a <A HREF="26_1_Glossary.html#class"
|
|
><EM CLASS="term"
|
|
>class</EM
|
|
></A
|
|
>, or a <A HREF="26_1_Glossary.html#symbol"
|
|
><EM CLASS="term"
|
|
>symbol</EM
|
|
></A
|
|
> that names a <A HREF="26_1_Glossary.html#class"
|
|
><EM CLASS="term"
|
|
>class</EM
|
|
></A
|
|
>. </P
|
|
><P CLASS="j"
|
|
><VAR CLASS="param"
|
|
>initargs</VAR
|
|
> — an <A HREF="26_1_Glossary.html#initialization_argument_list"
|
|
><EM CLASS="term"
|
|
>initialization argument list</EM
|
|
></A
|
|
>. </P
|
|
><P CLASS="j"
|
|
><VAR CLASS="param"
|
|
>instance</VAR
|
|
> — a <A HREF="26_1_Glossary.html#fresh"
|
|
><EM CLASS="term"
|
|
>fresh</EM
|
|
></A
|
|
> <A HREF="26_1_Glossary.html#instance"
|
|
><EM CLASS="term"
|
|
>instance</EM
|
|
></A
|
|
> of <A HREF="26_1_Glossary.html#class"
|
|
><EM CLASS="term"
|
|
>class</EM
|
|
></A
|
|
> <VAR CLASS="param"
|
|
>class</VAR
|
|
>.</P
|
|
></DD
|
|
><DT
|
|
><B
|
|
>Description</B
|
|
></DT
|
|
><DD
|
|
><P CLASS="j"
|
|
>The <A HREF="26_1_Glossary.html#generic_function"
|
|
><EM CLASS="term"
|
|
>generic function</EM
|
|
></A
|
|
> <A HREF="f_make-instance.html" CLASS="funref"
|
|
><B
|
|
>make-instance</B
|
|
></A
|
|
> creates and returns a new <A HREF="26_1_Glossary.html#instance"
|
|
><EM CLASS="term"
|
|
>instance</EM
|
|
></A
|
|
> of the given <VAR CLASS="param"
|
|
>class</VAR
|
|
>. </P
|
|
><P CLASS="j"
|
|
>If the second of the above <A HREF="26_1_Glossary.html#method"
|
|
><EM CLASS="term"
|
|
>methods</EM
|
|
></A
|
|
> is selected, that <A HREF="26_1_Glossary.html#method"
|
|
><EM CLASS="term"
|
|
>method</EM
|
|
></A
|
|
> invokes <A HREF="f_make-instance.html" CLASS="funref"
|
|
><B
|
|
>make-instance</B
|
|
></A
|
|
> on the arguments <CODE CLASS="f"
|
|
>(find-class <VAR CLASS="param"
|
|
>class</VAR
|
|
>)</CODE
|
|
> and <VAR CLASS="param"
|
|
>initargs</VAR
|
|
>. </P
|
|
><P CLASS="j"
|
|
>The initialization arguments are checked within <A HREF="f_make-instance.html" CLASS="funref"
|
|
><B
|
|
>make-instance</B
|
|
></A
|
|
>. </P
|
|
><P CLASS="j"
|
|
>The <A HREF="26_1_Glossary.html#generic_function"
|
|
><EM CLASS="term"
|
|
>generic function</EM
|
|
></A
|
|
> <A HREF="f_make-instance.html" CLASS="funref"
|
|
><B
|
|
>make-instance</B
|
|
></A
|
|
> may be used as described in <A HREF="7_1_Object_Creation_and_Initialization.html#sec_7_1" CLASS="secref"
|
|
><SPAN CLASS="cmr"
|
|
>Section</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>7.1</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>(Object</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>Creation</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>and</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>Initialization)</SPAN
|
|
></A
|
|
>.</P
|
|
></DD
|
|
><DT
|
|
><B
|
|
>Exceptional Situations</B
|
|
></DT
|
|
><DD
|
|
><P CLASS="j"
|
|
>If any of the initialization arguments has not been declared as valid, an error of <A HREF="26_1_Glossary.html#type"
|
|
><EM CLASS="term"
|
|
>type</EM
|
|
></A
|
|
> <A HREF="t_error.html" CLASS="typeref"
|
|
><B
|
|
>error</B
|
|
></A
|
|
> is signaled.</P
|
|
></DD
|
|
><DT
|
|
><B
|
|
>See Also</B
|
|
></DT
|
|
><DD
|
|
><P CLASS="j"
|
|
><A HREF="f_defclass.html" CLASS="macref"
|
|
><B
|
|
>defclass</B
|
|
></A
|
|
>, <A HREF="f_class-of.html" CLASS="funref"
|
|
><B
|
|
>class-of</B
|
|
></A
|
|
>, <A HREF="f_allocate-instance.html" CLASS="funref"
|
|
><B
|
|
>allocate-instance</B
|
|
></A
|
|
>, <A HREF="f_initialize-instance.html" CLASS="funref"
|
|
><B
|
|
>initialize-instance</B
|
|
></A
|
|
>, <A HREF="7_1_Object_Creation_and_Initialization.html#sec_7_1" CLASS="secref"
|
|
><SPAN CLASS="cmr"
|
|
>Section</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>7.1</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>(Object</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>Creation</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>and</SPAN
|
|
> <SPAN CLASS="cmr"
|
|
>Initialization)</SPAN
|
|
></A
|
|
></P
|
|
></DD
|
|
></DL
|
|
></DIV
|
|
></DIV
|
|
><DIV CLASS="footer"
|
|
><DIV CLASS="btmnav"
|
|
><A HREF="f_remove-method.html" CLASS="prev"
|
|
>←</A
|
|
><A HREF="f_make-instances-obsolete.html" CLASS="next"
|
|
>→</A
|
|
></DIV
|
|
><DIV CLASS="trail"
|
|
>Conversion to HTML copyright 2023 by Gilbert Baumann</DIV
|
|
></DIV
|
|
></DIV
|
|
><SCRIPT
|
|
>domReady();</SCRIPT
|
|
></BODY
|
|
></HTML
|
|
> |