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<span id="Internal-generic-functions"></span><div class="header">
<p>
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<hr>
<span id="Generic-functions-1"></span><h4 class="subsection">4.2.3 Generic functions</h4>
<dl>
<dt id="index-clone">Generic Function: <strong>clone</strong> <em>OBJ &rest NEW-INITARGS &key</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236CLONE-generic-function"></span><span id="index-Generic-Function_002c-clone"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens_002elenses-package.html#go-to-the-DATA_002dLENS_2024LENSES-package"><tt>data-lens.lenses</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002foptics_002elisp-file.html#go-to-the-data_002dlens_002foptics_2024lisp-file"><tt>optics.lisp</tt></a> (file)
</p></dd>
<dt><strong>Methods</strong></dt>
<dd><dl>
<dt id="index-clone-1">Method: <strong>clone</strong> <em>OBJ &rest NEW-INITARGS &key <tt>around</tt></em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236CLONE-COMMON_002dLISP_2236_2236T-AROUND-method"></span><span id="index-Method_002c-clone"></span>
</dd></dl>
</dd>
</dl>
</dd></dl>
<dl>
<dt id="index-fmap">Generic Function: <strong>fmap</strong> <em>FUNCTION DATA</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-generic-function"></span><span id="index-Generic-Function_002c-fmap"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens_002elenses-package.html#go-to-the-DATA_002dLENS_2024LENSES-package"><tt>data-lens.lenses</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002foptics_002elisp-file.html#go-to-the-data_002dlens_002foptics_2024lisp-file"><tt>optics.lisp</tt></a> (file)
</p></dd>
<dt><strong>Methods</strong></dt>
<dd><dl>
<dt id="index-fmap-1">Method: <strong>fmap</strong> <em>FUNCTION (DATA <tt>identity-</tt>)</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-COMMON_002dLISP_2236_2236T-DATA_002dLENS_2024LENSES_2236_2236IDENTITY_002d-method"></span><span id="index-Method_002c-fmap"></span>
</dd></dl>
<dl>
<dt id="index-fmap-2">Method: <strong>fmap</strong> <em>FUNCTION (DATA <tt>constant-</tt>)</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-COMMON_002dLISP_2236_2236T-DATA_002dLENS_2024LENSES_2236_2236CONSTANT_002d-method"></span><span id="index-Method_002c-fmap-1"></span>
</dd></dl>
<dl>
<dt id="index-fmap-3">Method: <strong>fmap</strong> <em>FUNCTION (DATA <tt>list</tt>)</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-COMMON_002dLISP_2236_2236T-COMMON_002dLISP_2236_2236LIST-method"></span><span id="index-Method_002c-fmap-2"></span>
</dd></dl>
<dl>
<dt id="index-fmap-4">Method: <strong>fmap</strong> <em>FUNCTION (DATA <tt>vector</tt>)</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236FMAP-COMMON_002dLISP_2236_2236T-COMMON_002dLISP_2236_2236VECTOR-method"></span><span id="index-Method_002c-fmap-3"></span>
</dd></dl>
</dd>
</dl>
</dd></dl>
<dl>
<dt id="index-next">Generic Function: <strong>next</strong> <em>OBJECT</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024TRANSDUCERS_2236_2236NEXT-generic-function"></span><span id="index-Generic-Function_002c-next"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens_002etransducers-package.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS-package"><tt>data-lens.transducers</tt></a>
</p></dd>
<dt><strong>Methods</strong></dt>
<dd><dl>
<dt id="index-next-1">Method: <strong>next</strong> <em>(LAZY-SEQUENCE <tt>lazy-sequence</tt>)</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024TRANSDUCERS_2236_2236NEXT-DATA_002dLENS_2024TRANSDUCERS_2236_2236LAZY_002dSEQUENCE-method"></span><span id="index-Method_002c-next"></span>
<p>automatically generated reader method
</p><dl compact="compact">
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002fbeta_002ftransducers_002flazy_002dsequence_002elisp-file.html#go-to-the-data_002dlens_002fbeta_002ftransducers_002flazy_002dsequence_2024lisp-file"><tt>lazy-sequence.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
</dd>
</dl>
</dd></dl>
<dl>
<dt id="index-unconstant">Generic Function: <strong>unconstant</strong> <em>OBJECT</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236UNCONSTANT-generic-function"></span><span id="index-Generic-Function_002c-unconstant"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens_002elenses-package.html#go-to-the-DATA_002dLENS_2024LENSES-package"><tt>data-lens.lenses</tt></a>
</p></dd>
<dt><strong>Methods</strong></dt>
<dd><dl>
<dt id="index-unconstant-1">Method: <strong>unconstant</strong> <em>(CONSTANT- <tt>constant-</tt>)</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236UNCONSTANT-DATA_002dLENS_2024LENSES_2236_2236CONSTANT_002d-method"></span><span id="index-Method_002c-unconstant"></span>
<p>automatically generated reader method
</p><dl compact="compact">
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002foptics_002elisp-file.html#go-to-the-data_002dlens_002foptics_2024lisp-file"><tt>optics.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
</dd>
</dl>
</dd></dl>
<dl>
<dt id="index-unidentity">Generic Function: <strong>unidentity</strong> <em>OBJECT</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236UNIDENTITY-generic-function"></span><span id="index-Generic-Function_002c-unidentity"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens_002elenses-package.html#go-to-the-DATA_002dLENS_2024LENSES-package"><tt>data-lens.lenses</tt></a>
</p></dd>
<dt><strong>Methods</strong></dt>
<dd><dl>
<dt id="index-unidentity-1">Method: <strong>unidentity</strong> <em>(IDENTITY- <tt>identity-</tt>)</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236UNIDENTITY-DATA_002dLENS_2024LENSES_2236_2236IDENTITY_002d-method"></span><span id="index-Method_002c-unidentity"></span>
<p>automatically generated reader method
</p><dl compact="compact">
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002foptics_002elisp-file.html#go-to-the-data_002dlens_002foptics_2024lisp-file"><tt>optics.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
</dd>
</dl>
</dd></dl>
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