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 <span id="The-data_002dlens_002foptics_2024lisp-file"></span><div class="header">
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 <p>
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 Next: <a href="The-data_002dlens_002flens_002elisp-file.html" accesskey="n" rel="next">The data-lens/lens․lisp file</a>, Previous: <a href="The-data_002dlens_002fpackage_002elisp-file.html" accesskey="p" rel="prev">The data-lens/package․lisp file</a>, Up: <a href="Lisp-files.html" accesskey="u" rel="up">Lisp files</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Indexes.html" title="Index" rel="index">Index</a>]</p>
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 <span id="data_002dlens_002foptics_002elisp"></span><h4 class="subsection">2.1.7 <tt>data-lens/optics.lisp</tt></h4>
 <span id="go-to-the-data_002dlens_002foptics_2024lisp-file"></span><span id="index-data_002dlens_002foptics_002elisp"></span>
 <span id="index-Lisp-File_002c-data_002dlens_002foptics_002elisp"></span>
 <span id="index-File_002c-Lisp_002c-data_002dlens_002foptics_002elisp"></span>
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 <dl compact="compact">
 <dt><strong>Dependency</strong></dt>
 <dd><p><a href="The-data_002dlens_002fpackage_002elisp-file.html#go-to-the-data_002dlens_002fpackage_2024lisp-file"><tt>package.lisp</tt></a> (file)
 </p></dd>
 <dt><strong>Parent</strong></dt>
 <dd><p><a href="The-data_002dlens-system.html#go-to-the-data_002dlens-system"><tt>data-lens</tt></a> (system)
 </p></dd>
 <dt><strong>Location</strong></dt>
 <dd><p><tt>optics.lisp</tt>
 </p></dd>
 <dt><strong>Exported Definitions</strong></dt>
 <dd><ul>
 <li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236MAKE_002dALIST_002dLENS-function"><tt>make-alist-lens</tt></a> (function)
 </li><li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236MAKE_002dHASH_002dTABLE_002dLENS-function"><tt>make-hash-table-lens</tt></a> (function)
 </li><li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236MAKE_002dLIST_002dLENS-function"><tt>make-list-lens</tt></a> (function)
 </li><li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236MAKE_002dPLIST_002dLENS-function"><tt>make-plist-lens</tt></a> (function)
 </li><li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236OVER-function"><tt>over</tt></a> (function)
 </li><li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236SET-function"><tt>set</tt></a> (function)
 </li><li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236VIEW-function"><tt>view</tt></a> (function)
 </li></ul>
 </dd>
 <dt><strong>Internal Definitions</strong></dt>
 <dd><ul>
 <li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236CLONE-generic-function"><tt>clone</tt></a> (generic function)
 </li><li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236CLONE-COMMON_002dLISP_2236_2236T-AROUND-method"><tt>clone</tt></a> (method)
 </li><li> <a href="Internal-classes.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236CONSTANT_002d-class"><tt>constant-</tt></a> (class)
 </li><li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-generic-function"><tt>fmap</tt></a> (generic function)
 </li><li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-COMMON_002dLISP_2236_2236T-DATA_002dLENS_2024LENSES_2236_2236IDENTITY_002d-method"><tt>fmap</tt></a> (method)
 </li><li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-COMMON_002dLISP_2236_2236T-DATA_002dLENS_2024LENSES_2236_2236CONSTANT_002d-method"><tt>fmap</tt></a> (method)
 </li><li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-COMMON_002dLISP_2236_2236T-COMMON_002dLISP_2236_2236LIST-method"><tt>fmap</tt></a> (method)
 </li><li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-COMMON_002dLISP_2236_2236T-COMMON_002dLISP_2236_2236VECTOR-method"><tt>fmap</tt></a> (method)
 </li><li> <a href="Internal-classes.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236IDENTITY_002d-class"><tt>identity-</tt></a> (class)
 </li><li> <a href="Internal-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236MAKE_002dALIST_002dHISTORY_002dLENS-function"><tt>make-alist-history-lens</tt></a> (function)
 </li><li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236UNCONSTANT-DATA_002dLENS_2024LENSES_2236_2236CONSTANT_002d-method"><tt>unconstant</tt></a> (method)
 </li><li> <a href="Internal-generic-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236UNIDENTITY-DATA_002dLENS_2024LENSES_2236_2236IDENTITY_002d-method"><tt>unidentity</tt></a> (method)
 </li><li> <a href="Internal-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236WRAP_002dCONSTANT-function"><tt>wrap-constant</tt></a> (function)
 </li><li> <a href="Internal-functions.html#go-to-the-DATA_002dLENS_2024LENSES_2236_2236WRAP_002dIDENTITY-function"><tt>wrap-identity</tt></a> (function)
 </li></ul>
 </dd>
 </dl>
 
 
 
 
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