<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>File: lisp.rb</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <link rel="stylesheet" href="../../.././rdoc-style.css" type="text/css" media="screen" /> <script type="text/javascript"> // <![CDATA[ function popupCode( url ) { window.open(url, "Code", "resizable=yes,scrollbars=yes,toolbar=no,status=no,height=150,width=400") } function toggleCode( id ) { if ( document.getElementById ) elem = document.getElementById( id ); else if ( document.all ) elem = eval( "document.all." + id ); else return false; elemStyle = elem.style; if ( elemStyle.display != "block" ) { elemStyle.display = "block" } else { elemStyle.display = "none" } return true; } // Make codeblocks hidden by default document.writeln( "<style type=\"text/css\">div.method-source-code { display: none }</style>" ) // ]]> </script> </head> <body> <div id="fileHeader"> <h1>lisp.rb</h1> <table class="header-table"> <tr class="top-aligned-row"> <td><strong>Path:</strong></td> <td>lib/carat/lisp.rb </td> </tr> <tr class="top-aligned-row"> <td><strong>Last Update:</strong></td> <td>Tue Apr 12 12:16:23 EDT 2005</td> </tr> </table> </div> <!-- banner header --> <div id="bodyContent"> <div id="contextContent"> <div id="description"> <h1><a href="../../../classes/Lisp.html">Lisp</a> Mixin</h1> <p> This module provides <a href="../../../classes/Lisp.html">Lisp</a>-like functional notation. With this module it almost possibel to write real <a href="../../../classes/Lisp.html">Lisp</a> code in Ruby. </p> <h2>Example</h2> <p> It’s hardly believable, but the following IS valid ruby code: </p> <pre> (def accumulate (fun, x, list) (if (null? list) x else (accumulate fun, (fun.call x, (car list)), (cdr list)) end) end) </pre> <p> A real programmer can write LISP in any language… ;) </p> <h2>Author(s)</h2> <ul> <li>Florian Frank </li> <li>Thomas Sawyer </li> </ul> <h2>Legal</h2> <p> Based on original work func.rb by Florain Frank. Copyright ©2005 Florian Frank <flori@ping.de> Ruby License </p> <h2>History</h2> <ul> <li>2005.04.12 </li> </ul> <p> ** Changed the name of Pair class to DottedPair. ** Added a new method pair! which converts an array to a DottedPair. ** This is then used in car and cdr to automatically convert arrays passed to them. ** Note: There may be other places that pair! conversion is needed. </p> </div> </div> </div> <!-- if includes --> <div id="section"> <!-- if method_list --> </div> <div id="validator-badges"> <p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p> </div> </body> </html>