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<span id="Internal-functions"></span><div class="header">
<p>
Next: <a href="Internal-generic-functions.html" accesskey="n" rel="next">Internal generic functions</a>, Previous: <a href="Internal-macros.html" accesskey="p" rel="prev">Internal macros</a>, Up: <a href="Internal-definitions.html" accesskey="u" rel="up">Internal definitions</a> [<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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<hr>
<span id="Functions-1"></span><h4 class="subsection">4.2.2 Functions</h4>
<dl>
<dt id="index-_003d_003e_003e">Function: <strong>=>></strong> <em>FUN1 FUN2</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2236_2236_003d_003e_003e-function"></span><span id="index-Function_002c-_003d_003e_003e"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens-package.html#go-to-the-DATA_002dLENS-package"><tt>data-lens</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_002elisp-file.html#go-to-the-data_002dlens_002flens_2024lisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-cons_002dnew">Function: <strong>cons-new</strong> <em>&key TEST KEY</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2236_2236CONS_002dNEW-function"></span><span id="index-Function_002c-cons_002dnew"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens-package.html#go-to-the-DATA_002dLENS-package"><tt>data-lens</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_002elisp-file.html#go-to-the-data_002dlens_002flens_2024lisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-deduplicate">Function: <strong>deduplicate</strong> <em>&optional TEST</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2236_2236DEDUPLICATE-function"></span><span id="index-Function_002c-deduplicate"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens-package.html#go-to-the-DATA_002dLENS-package"><tt>data-lens</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_002elisp-file.html#go-to-the-data_002dlens_002flens_2024lisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-eduction">Function: <strong>eduction</strong> <em>XF SEQ</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024TRANSDUCERS_2236_2236EDUCTION-function"></span><span id="index-Function_002c-eduction"></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>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002fbeta_002ftransducers_002ftransducers_002elisp-file.html#go-to-the-data_002dlens_002fbeta_002ftransducers_002ftransducers_2024lisp-file"><tt>transducers.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-filler">Function: <strong>filler</strong> <em>LENGTH1 LENGTH2 FILL-VALUE</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2236_2236FILLER-function"></span><span id="index-Function_002c-filler"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens-package.html#go-to-the-DATA_002dLENS-package"><tt>data-lens</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_002elisp-file.html#go-to-the-data_002dlens_002flens_2024lisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-make_002dalist_002dhistory_002dlens">Function: <strong>make-alist-history-lens</strong> <em>KEY</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236MAKE_002dALIST_002dHISTORY_002dLENS-function"></span><span id="index-Function_002c-make_002dalist_002dhistory_002dlens"></span>
<p>A lens for updating a alist, preserving previous values
</p><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>
</dl>
</dd></dl>
<dl>
<dt id="index-matching_002dlist_002dreducer">Function: <strong>matching-list-reducer</strong> <em>TEST ACC NEXT</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2236_2236MATCHING_002dLIST_002dREDUCER-function"></span><span id="index-Function_002c-matching_002dlist_002dreducer"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens-package.html#go-to-the-DATA_002dLENS-package"><tt>data-lens</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_002elisp-file.html#go-to-the-data_002dlens_002flens_2024lisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-seq">Function: <strong>seq</strong> <em>A B</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024TRANSDUCERS_2236_2236SEQ-function"></span><span id="index-Function_002c-seq"></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>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002fbeta_002ftransducers_002ftransducers_002elisp-file.html#go-to-the-data_002dlens_002fbeta_002ftransducers_002ftransducers_2024lisp-file"><tt>transducers.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-update">Function: <strong>update</strong> <em>THING FUN &rest ARGS</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2236_2236UPDATE-function"></span><span id="index-Function_002c-update"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens-package.html#go-to-the-DATA_002dLENS-package"><tt>data-lens</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_002elisp-file.html#go-to-the-data_002dlens_002flens_2024lisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-wrap_002dconstant">Function: <strong>wrap-constant</strong> <em>V</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236WRAP_002dCONSTANT-function"></span><span id="index-Function_002c-wrap_002dconstant"></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>
</dl>
</dd></dl>
<dl>
<dt id="index-wrap_002didentity">Function: <strong>wrap-identity</strong> <em>V</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024LENSES_2236_2236WRAP_002dIDENTITY-function"></span><span id="index-Function_002c-wrap_002didentity"></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>
</dl>
</dd></dl>
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