LispCast http://www.lispcast.com/ A blog about the simple joys of functional programming. en But the World is Mutable http://www.lispcast.com/the-world-is-mutable http://www.lispcast.com/the-world-is-mutable Mon 11 May 2015 11:46:58 PM CDT The world may be mutable, but people have been using the notion of immutability to build reliable systems for a long time. <p><center><a href="http://www.lispcast.com/the-world-is-mutable">Read full post</a></center></p>