<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <!-- Created by GNU Texinfo 6.7, http://www.gnu.org/software/texinfo/ --> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>The data-lens/beta/transducers/transducer-protocol․lisp file (The data-lens/beta/transducers Reference Manual)</title> <meta name="description" content="The data-lens/beta/transducers Reference Manual."> <meta name="keywords" content="The data-lens/beta/transducers/transducer-protocol․lisp file (The data-lens/beta/transducers Reference Manual)"> <meta name="resource-type" content="document"> <meta name="distribution" content="global"> <meta name="Generator" content="texi2any"> <link href="index.html" rel="start" title="Top"> <link href="Indexes.html" rel="index" title="Indexes"> <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="Lisp-files.html" rel="up" title="Lisp files"> <link href="The-data_002dlens_002fbeta_002ftransducers_002ftransducers_002elisp-file.html" rel="next" title="The data-lens/beta/transducers/transducers․lisp file"> <link href="The-data_002dlens_002fbeta_002ftransducers_002fpackage_002elisp-file.html" rel="prev" title="The data-lens/beta/transducers/package․lisp file"> <style type="text/css"> <!-- a.summary-letter {text-decoration: none} blockquote.indentedblock {margin-right: 0em} div.display {margin-left: 3.2em} div.example {margin-left: 3.2em} div.lisp {margin-left: 3.2em} kbd {font-style: oblique} pre.display {font-family: inherit} pre.format {font-family: inherit} pre.menu-comment {font-family: serif} pre.menu-preformatted {font-family: serif} span.nolinebreak {white-space: nowrap} span.roman {font-family: initial; font-weight: normal} span.sansserif {font-family: sans-serif; font-weight: normal} ul.no-bullet {list-style: none} --> </style> </head> <body lang="en"> <span id="The-data_002dlens_002fbeta_002ftransducers_002ftransducer_002dprotocol_2024lisp-file"></span><div class="header"> <p> Next: <a href="The-data_002dlens_002fbeta_002ftransducers_002ftransducers_002elisp-file.html" accesskey="n" rel="next">The data-lens/beta/transducers/transducers․lisp file</a>, Previous: <a href="The-data_002dlens_002fbeta_002ftransducers_002fpackage_002elisp-file.html" accesskey="p" rel="prev">The data-lens/beta/transducers/package․lisp file</a>, Up: <a href="Lisp-files.html" accesskey="u" rel="up">Lisp files</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> </div> <hr> <span id="data_002dlens_002fbeta_002ftransducers_002ftransducer_002dprotocol_002elisp"></span><h4 class="subsection">2.1.3 <tt>data-lens/beta/transducers/transducer-protocol.lisp</tt></h4> <span id="go-to-the-data_002dlens_002fbeta_002ftransducers_002ftransducer_002dprotocol_2024lisp-file"></span><span id="index-data_002dlens_002fbeta_002ftransducers_002ftransducer_002dprotocol_002elisp"></span> <span id="index-Lisp-File_002c-data_002dlens_002fbeta_002ftransducers_002ftransducer_002dprotocol_002elisp"></span> <span id="index-File_002c-Lisp_002c-data_002dlens_002fbeta_002ftransducers_002ftransducer_002dprotocol_002elisp"></span> <dl compact="compact"> <dt><strong>Dependency</strong></dt> <dd><p><a href="The-data_002dlens_002fbeta_002ftransducers_002fpackage_002elisp-file.html#go-to-the-data_002dlens_002fbeta_002ftransducers_002fpackage_2024lisp-file"><tt>package.lisp</tt></a> (file) </p></dd> <dt><strong>Parent</strong></dt> <dd><p><a href="The-data_002dlens_002fbeta_002ftransducers-system.html#go-to-the-data_002dlens_002fbeta_002ftransducers-system"><tt>data-lens/beta/transducers</tt></a> (system) </p></dd> <dt><strong>Location</strong></dt> <dd><p><tt>transducer-protocol.lisp</tt> </p></dd> <dt><strong>Exported Definitions</strong></dt> <dd><ul> <li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236EXIT_002dEARLY-function"><tt>exit-early</tt></a> (function) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236INIT-generic-function"><tt>init</tt></a> (generic function) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236REDUCE_002dGENERIC-generic-function"><tt>reduce-generic</tt></a> (generic function) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236REDUCE_002dGENERIC-COMMON_002dLISP_2236_2236SEQUENCE-COMMON_002dLISP_2236_2236FUNCTION-COMMON_002dLISP_2236_2236T-method"><tt>reduce-generic</tt></a> (method) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236REDUCE_002dGENERIC-COMMON_002dLISP_2236_2236SEQUENCE-COMMON_002dLISP_2236_2236SYMBOL-COMMON_002dLISP_2236_2236T-method"><tt>reduce-generic</tt></a> (method) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236REDUCE_002dGENERIC-COMMON_002dLISP_2236_2236T-COMMON_002dLISP_2236_2236SYMBOL-COMMON_002dLISP_2236_2236T-method"><tt>reduce-generic</tt></a> (method) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236REDUCE_002dGENERIC-COMMON_002dLISP_2236_2236HASH_002dTABLE-COMMON_002dLISP_2236_2236FUNCTION-COMMON_002dLISP_2236_2236T-method"><tt>reduce-generic</tt></a> (method) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236STEPPER-generic-function"><tt>stepper</tt></a> (generic function) </li><li> <a href="Exported-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236TRANSDUCE-function"><tt>transduce</tt></a> (function) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236UNWRAP-generic-function"><tt>unwrap</tt></a> (generic function) </li><li> <a href="Exported-generic-functions.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236UNWRAP-COMMON_002dLISP_2236_2236T-COMMON_002dLISP_2236_2236T-method"><tt>unwrap</tt></a> (method) </li></ul> </dd> <dt><strong>Internal Definitions</strong></dt> <dd><p><a href="Internal-macros.html#go-to-the-DATA_002dLENS_2024TRANSDUCERS_2024INTERNALS_2236_2236DEFDOCUMENTATION-macro"><tt>defdocumentation</tt></a> (macro) </p></dd> </dl> </body> </html>