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<a name="Internal-functions"></a>
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<p>
Next: <a href="Internal-generic-functions.html#Internal-generic-functions" accesskey="n" rel="next">Internal generic functions</a>, Previous: <a href="Internal-macros.html#Internal-macros" accesskey="p" rel="prev">Internal macros</a>, Up: <a href="Internal-definitions.html#Internal-definitions" 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#Indexes" title="Index" rel="index">Index</a>]</p>
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<hr>
<a name="Functions-1"></a>
<h4 class="subsection">4.2.2 Functions</h4>
<dl>
<dt><a name="index-_003d_003e_003e"></a>Function: <strong>=>></strong> <em>FUN1 FUN2</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003ccolon_003e_003ccolon_003e_003d_003e_003e-function"></a><a name="index-Function_002c-_003d_003e_003e"></a>
<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_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt><a name="index-cons_002dnew"></a>Function: <strong>cons-new</strong> <em>&key TEST KEY</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003ccolon_003e_003ccolon_003eCONS_002dNEW-function"></a><a name="index-Function_002c-cons_002dnew"></a>
<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_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt><a name="index-deduplicate"></a>Function: <strong>deduplicate</strong> <em>&optional TEST</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003ccolon_003e_003ccolon_003eDEDUPLICATE-function"></a><a name="index-Function_002c-deduplicate"></a>
<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_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt><a name="index-filler"></a>Function: <strong>filler</strong> <em>LENGTH1 LENGTH2 FILL-VALUE</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003ccolon_003e_003ccolon_003eFILLER-function"></a><a name="index-Function_002c-filler"></a>
<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_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt><a name="index-make_002dalist_002dhistory_002dlens"></a>Function: <strong>make-alist-history-lens</strong> <em>KEY</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003cdot_003eLENSES_003ccolon_003e_003ccolon_003eMAKE_002dALIST_002dHISTORY_002dLENS-function"></a><a name="index-Function_002c-make_002dalist_002dhistory_002dlens"></a>
<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_003cdot_003elenses-package.html#go-to-the-DATA_002dLENS_003cdot_003eLENSES-package"><tt>data-lens.lenses</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt><a name="index-matching_002dlist_002dreducer"></a>Function: <strong>matching-list-reducer</strong> <em>TEST ACC NEXT</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003ccolon_003e_003ccolon_003eMATCHING_002dLIST_002dREDUCER-function"></a><a name="index-Function_002c-matching_002dlist_002dreducer"></a>
<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_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt><a name="index-update"></a>Function: <strong>update</strong> <em>THING FUN &rest ARGS</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003ccolon_003e_003ccolon_003eUPDATE-function"></a><a name="index-Function_002c-update"></a>
<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_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt><a name="index-wrap_002dconstant"></a>Function: <strong>wrap-constant</strong> <em>V</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003cdot_003eLENSES_003ccolon_003e_003ccolon_003eWRAP_002dCONSTANT-function"></a><a name="index-Function_002c-wrap_002dconstant"></a>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens_003cdot_003elenses-package.html#go-to-the-DATA_002dLENS_003cdot_003eLENSES-package"><tt>data-lens.lenses</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt><a name="index-wrap_002didentity"></a>Function: <strong>wrap-identity</strong> <em>V</em></dt>
<dd><a name="go-to-the-DATA_002dLENS_003cdot_003eLENSES_003ccolon_003e_003ccolon_003eWRAP_002dIDENTITY-function"></a><a name="index-Function_002c-wrap_002didentity"></a>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens_003cdot_003elenses-package.html#go-to-the-DATA_002dLENS_003cdot_003eLENSES-package"><tt>data-lens.lenses</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002flens_003cdot_003elisp-file.html#go-to-the-data_002dlens_002flens_003cdot_003elisp-file"><tt>lens.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
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