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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<title>Reference</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta content="37.444542, -122.161050" name="ICBM" />
<link media="all" href="/stylesheets/nu.css" type ="text/css" rel="stylesheet" />
</head>
<body>
<div id="container">
<div id="header">
<div style="float:left; margin-right:10px">
<img src="/files/recycle-s.png" height="50" alt="recycling symbol" />
</div>
<div style="float:left">
<h1><a href="/">Programming Nu</a></h1>
<h3><a href="https://github.com/programming-nu">github.com/programming-nu</a></h3>
</div>
</div>
<div id="content">
<div class="atomentry">
<div class="content" style="margin-bottom:10px">
<h1>Nu Reference</h1>
<h2><a href="/syntax">Syntax</a></h2>
<p>Nu has a very simple syntax. On the surface, this may seem strict and conservative, but in many important ways it allows Nu to be liberal and permissive. </p>
<p><a href="/syntax">More...</a></p>
</div>
<div class="extended">
<h2><a href="/operators">Operators</a></h2>
<p>Nu includes many useful built-in operators; here is a list of them.</p>
<p><a href="/operators">More...</a></p>
<h2><a href="/types">Types</a></h2>
<p>Here are some notes on the handling of special types in Nu.</p>
<p><a href="/types">More...</a></p>
<h2><a href="/doc">Class Reference</a></h2>
<p>This <a href="/doc">Nu Class Reference</a>
was obtained by running <strong>nudoc</strong> on the Nu sources.</p>
</div>
</div> <!-- atomentry -->
</div> <!-- content -->
<div id="sidebar">
<div class="sidebar-node">
<h2><a href="/about">About Nu</a></h2>
</div>
<div class="sidebar-node">
<h2><a href="http://groups.google.com/group/programming-nu/topics">Google Group:<br/>Programming Nu</a></h2>
</div>
<div class="sidebar-node">
<h2><a href="/downloads">Download Nu</a></h2>
</div>
<div class="sidebar-node">
<h2>Git Repositories</h2>
<ul>
<li><a href="https://github.com/programming-nu/nu">nu</a></li>
<li><a href="https://github.com/programming-nu/programming-nu">programming-nu</a></li>
</ul>
</div>
<div class="sidebar-node">
<h2><a href="/documentation">Documentation</a></h2>
<ul>
<li><a href="/installing">Installing Nu</a></li>
<li><a href="/usage">Using Nu</a></li>
<li><a href="/embedding">Embedding Nu</a></li>
<li><a href="/reference">Nu Reference</a></li>
<li><a href="/syntax">- Syntax</a></li>
<li><a href="/operators">- Operators</a></li>
<li><a href="/types">- Types</a></li>
<li><a href="/doc/index.html">- Class Reference</a></li>
<li><a href="/help">Getting and Providing Help</a></li>
<li><a href="/debugging">Debugging Nu Programs</a></li>
<li><a href="/textmate">A Bundle for TextMate Users</a></li>
</ul>
</div>
<div class="sidebar-node">
<h2><a href="/examples">Examples</a></h2>
<ul>
<li><a href="/randomapp">RandomApp</a></li>
<li><a href="/randomappwithnibfile">RandomAppWithNibFile</a></li>
<li><a href="/currencyconverter">Currency Converter</a></li>
<li><a href="/nurocks">NuRocks</a></li>
<li><a href="/console">Console</a></li>
<li><a href="/growler">Growler</a></li>
<li><a href="/benwanu">Benwanu</a></li>
<li><a href="/screensaver">Screen Saver</a></li>
<li><a href="/maildemo">MailDemo</a></li>
<li><a href="/nuanywhere">NuAnywhere</a></li>
</ul>
</div>
<div class="sidebar-node">
<h2><a href="/tools">Tools</a></h2>
<ul>
<li><a href="/nuke">nuke, a make utility</a></li>
<li><a href="/nubile">nubile, a code formatter</a></li>
<li><a href="/nutest">nutest, a testing tool</a></li>
<li><a href="/nudoc">nudoc, a documentation generator</a></li>
<li><a href="/nutemplate">nutemplate, a templating tool</a></li>
<li><a href="/nubake">nubake, a code generation tool</a></li>
</ul>
</div>
<div class="sidebar-node">
<h2><a href="/">Archives</a></h2>
<ul>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">July 2019</li>
<li>
<a href="/posts/2019/07/25/programming-nu-on-github">
Programming Nu on GitHub</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">April 2013</li>
<li>
<a href="/posts/2013/04/14/Nu-2.1.0">
Nu-2.1.0</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">September 2011</li>
<li>
<a href="/posts/2011/09/02/Nu-2.0.1">
Nu-2.0.1</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">August 2011</li>
<li>
<a href="/posts/2011/08/25/Nu-2.0.0">
Nu-2.0.0</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">December 2009</li>
<li>
<a href="/posts/2009/12/09/stability">
Nu Seems Stable (by Jason Grossman)</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">November 2009</li>
<li>
<a href="/posts/2009/11/22/vi">
vi tips for Nu</a>
</li>
<li>
<a href="/posts/2009/11/17/Nu-0.4.0">
Nu-0.4.0</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">January 2009</li>
<li>
<a href="/posts/2009/01/02/macros">
Macros</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">December 2008</li>
<li>
<a href="/posts/2008/12/03/Nu-0.3.3">
Nu-0.3.3</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">June 2008</li>
<li>
<a href="/posts/2008/06/08/Nu-0.3.2">
Nu-0.3.2</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">May 2008</li>
<li>
<a href="/posts/2008/05/23/cocoa-programming-with-nu">
Cocoa Programming with Nu</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">March 2008</li>
<li>
<a href="/posts/2008/03/24/Nu-0.3.1">
Nu-0.3.1</a>
</li>
<li>
<a href="/posts/2008/03/21/announcing-nu">
Announcing Nu: The Video</a>
</li>
<li>
<a href="/posts/2008/03/18/nu-on-github">
Nu on github</a>
</li>
<li>
<a href="/posts/2008/03/14/new-platforms">
Linux and the iPhone</a>
</li>
<li>
<a href="/posts/2008/03/12/new-license">
Apache License, v. 2.0</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">February 2008</li>
<li>
<a href="/posts/2008/02/13/Nu-0.3.0">
Nu-0.3.0</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">December 2007</li>
<li>
<a href="/posts/2007/12/12/nupagepacker">
NuPagePacker</a>
</li>
<li>
<a href="/posts/2007/12/12/Nu-0.2.4">
Nu-0.2.4</a>
</li>
<li>
<a href="/posts/2007/12/07/Nu-0.2.3">
Nu-0.2.3</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">November 2007</li>
<li>
<a href="/posts/2007/11/26/Nu-0.2.2">
Nu-0.2.2</a>
</li>
<li>
<a href="/posts/2007/11/25/a-delicious-nu-screencast">
A Delicious Nu Screencast</a>
</li>
<li>
<a href="/posts/2007/11/12/Nu-0.2.1">
Nu-0.2.1</a>
</li>
<li style="font-weight:bold; font-size:smaller; background:#eee; line-height:100%">October 2007</li>
<li>
<a href="/posts/2007/10/17/new-literal-forms-in-nu">
New Literal Forms in Nu</a>
</li>
<li>
<a href="/posts/2007/10/17/escape-sequences-in-nu-strings">
Escape Sequences in Nu Strings</a>
</li>
<li>
<a href="/posts/2007/10/17/closures-in-nu">
Closures in Nu</a>
</li>
<li>
<a href="/posts/2007/10/17/Nu-0.2.0">
Nu-0.2.0</a>
</li>
<li>
<a href="/posts/2007/10/11/screen-savers-and-plugins">
Screen Savers and Plugins</a>
</li>
<li>
<a href="/posts/2007/10/10/markdown-in-nu">
Markdown in Nu</a>
</li>
<li>
<a href="/posts/2007/10/05/functional-nu">
Functional Aspects of Nu</a>
</li>
<li>
<a href="/posts/2007/10/04/randomapp-with-nibfile">
New Example: Nib Files</a>
</li>
<li>
<a href="/posts/2007/10/01/welcome">
Welcome</a>
</li>
</ul>
</div>
<div class="sidebar-node">
<h2><a href="/legal">Legal Details</a></h2>
</div>
</div> <!-- sidebar -->
</div><!-- container -->
</body>
</html>