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The Nu programming language.

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Octocat-spinner-32 Xcode Add Default-568h@2x.png so Xcode will shut up about it April 02, 2013
Octocat-spinner-32 baked Changes to allow Nu to run with GNUstep-base on Linux. December 14, 2008
Octocat-spinner-32 examples Removed macro-0 from .nu files and tools. One regression remains for … July 04, 2011
Octocat-spinner-32 include Combine all Nu source code into a single Nu.[hm] pair of files. July 02, 2011
Octocat-spinner-32 libffi s/stmeqia/stmiaeq/ in libffi/ffi.S; fixes issue #36 April 02, 2013
Octocat-spinner-32 main streamlining for Lion/iOS5 runtimes. Dropping GNUstep support. June 14, 2011
Octocat-spinner-32 notes run apt-get update at start of Ubuntu installation script. June 21, 2013
Octocat-spinner-32 nu Disabled smart quotes on nu console February 15, 2014
Octocat-spinner-32 objc fix a framework-loading problem on Linux, add some extra braces out o… April 11, 2014
Octocat-spinner-32 pkg Company name changed. June 11, 2011
Octocat-spinner-32 share delete xcode.lang.character since it catches single-quote September 10, 2010
Octocat-spinner-32 test added support for colons in operator-generated markup tags March 23, 2014
Octocat-spinner-32 tools renamed the nu code formatter to "nustyle" April 21, 2014
Octocat-spinner-32 util New block-based handler support using imp_implementationWithBlock. June 18, 2011
Octocat-spinner-32 .gitignore Fixed gitignore June 30, 2013
Octocat-spinner-32 .travis.yml .travis.yml to support continuous integration on Travis CI April 23, 2013
Octocat-spinner-32 LICENSE Relicensing to the Apache Public License, v. 2.0. March 12, 2008
Octocat-spinner-32 Makefile added linker flags -lm and -ldl August 03, 2013
Octocat-spinner-32 NOTICE Company name changed. June 11, 2011
Octocat-spinner-32 Nukefile updated install for nustyle April 21, 2014
Octocat-spinner-32 README fix typo in README January 06, 2013
Octocat-spinner-32 bootstrap Company name changed. June 11, 2011
Octocat-spinner-32 removed hard-coded /Developer paths, added top-level to more… June 11, 2011

Hello and welcome to Nu.

I created Nu because I wanted a better way to write software.

I wanted to write with a language as flexible and powerful as Lisp, but I 
also wanted to be able to work with the many libraries and high-performance
subsystems written in C, including the ones that I write myself.  So a tight 
integration with C was my highest priority; that ruled and drove the 
implementation of Nu.  That's why Nu is "C over lambda."

It is easier to integrate with C when you have a disciplined way of structuring 
C code.  Popular scripting languages (Python, Ruby, Lua, etc.) make many 
implementation-dependent impositions on the C code that they call.  Their
artifacts are often called "glue code" and are usually ugly, cumbersome, and 
unpleasant to generate.

Objective-C provides a proven way of structuring C code that has no scripting 
language implementation dependencies.  But it can do much more than that.
Objective-C can also serve as a platform for a powerful dynamic language.  
Nu was designed to take full advantage of that.  It was also designed to 
provide many of the elements of successful scripting languages, notably 
Ruby, while adding the syntactic simplicity and flexibility of Lisp.   


Nu is copyrighted open-source software that is released under the Apache
License, version 2.0.  For details on the license, see the LICENSE file.
In its use to name a programming language, "Nu" is a trademark of Radtastical 


On Macintosh systems, Nu requires Mac OS X version 10.5 or greater.
It is also possible to build Nu to run on Linux systems and the 
Apple iPhone.


Installation instructions are in the notes/INSTALL file.


notes/DEMO contains a simple tutorial exercise that can acquaint you with Nu.

notes/USAGE describes a few of the ways that you can use Nu.

notes/ERRORS contains some pitfalls that I've encountered when programming 
with Nu.

notes/TODO contains some open issues that I'd like to address in Nu.

The examples directory contains several fun and interesting examples.

TextMate users can drag and drop share/Nu.tmbundle onto the TextMate 
application icon to add Nu-specific features to TextMate.


Tim Burks (
Radtastical Inc.
Palo Alto, California, USA
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