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<title>Internal macros (The data-lens/beta/transducers Reference Manual)</title>
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<span id="Internal-macros"></span><div class="header">
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Next: <a href="Internal-functions.html" accesskey="n" rel="next">Internal functions</a>, Previous: <a href="Internal-definitions.html" accesskey="p" rel="prev">Internal definitions</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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<span id="Macros-1"></span><h4 class="subsection">4.2.1 Macros</h4>
<dl>
<dt id="index-comment">Macro: <strong>comment</strong> <em>&body BODY</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024TRANSDUCERS_2236_2236COMMENT-macro"></span><span id="index-Macro_002c-comment"></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-defdocumentation">Macro: <strong>defdocumentation</strong> <em>NAME &body DOC-SPECS</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236DEFDOCUMENTATION-macro"></span><span id="index-Macro_002c-defdocumentation"></span>
<dl compact="compact">
<dt><strong>Package</strong></dt>
<dd><p><a href="The-data_002dlens_002etransducers_002einternals-package.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS-package"><tt>data-lens.transducers.internals</tt></a>
</p></dd>
<dt><strong>Source</strong></dt>
<dd><p><a href="The-data_002dlens_002fbeta_002ftransducers_002ftransducer_002dprotocol_002elisp-file.html#go-to-the-data_002dlens_002fbeta_002ftransducers_002ftransducer_002dprotocol_2024lisp-file"><tt>transducer-protocol.lisp</tt></a> (file)
</p></dd>
</dl>
</dd></dl>
<dl>
<dt id="index-transducer_002dlambda">Macro: <strong>transducer-lambda</strong> <em>&body ((TWO-ARG-ACC TWO-ARG-NEXT) &body TWO-ARG-BODY)</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2024TRANSDUCERS_2236_2236TRANSDUCER_002dLAMBDA-macro"></span><span id="index-Macro_002c-transducer_002dlambda"></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-updatef">Macro: <strong>updatef</strong> <em>PLACE FUN &rest ARGS</em></dt>
<dd><span id="go-to-the-DATA_002dLENS_2236_2236UPDATEF-macro"></span><span id="index-Macro_002c-updatef"></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>
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