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copied!<p>The Ruby community has put an incredible amount of attention to automating this idiom. These are the solutions I know of:</p> <ul> <li><a href="http://ryandaigle.com/articles/2008/11/20/what-s-new-in-edge-rails-object-try" rel="nofollow noreferrer">try</a> in Ruby on Rails</li> <li>Another <a href="http://ruby.tie-rack.org/53/a-better-try-chaining-methods-and-nil/" rel="nofollow noreferrer">try</a></li> <li><a href="http://weblog.raganwald.com/2008/01/objectandand-objectme-in-ruby.html" rel="nofollow noreferrer">andand</a></li> <li>A safer <a href="http://github.com/raganwald/rewrite_rails/tree/master" rel="nofollow noreferrer">andand</a></li> <li><a href="http://facets.rubyforge.org/quick/rdoc/core/classes/Kernel.html#M000368" rel="nofollow noreferrer">Kernel::ergo</a></li> <li><a href="http://rhnh.net/2007/10/02/object-send-with-default" rel="nofollow noreferrer">send-with-default</a></li> <li><a href="http://weavejester.com/node/10" rel="nofollow noreferrer">maybe</a></li> <li><a href="http://hobocentral.net/blog/2007/08/25/quiz/" rel="nofollow noreferrer">_?</a></li> <li><a href="http://recursive.ca/hutch/2007/11/22/a-little-unnecessary-smalltalk-envy/" rel="nofollow noreferrer">if-not-nil</a></li> <li><a href="http://chalain.livejournal.com/66798.html" rel="nofollow noreferrer">turtles!</a></li> <li><a href="http://www.urubatan.info/2008/03/a-better-try-for-ruby-why-not-do-the-groovy-way/" rel="nofollow noreferrer">method_</a> in Groovy style</li> <li><a href="http://www.bencurtis.com/archives/2008/03/do-or-do-not/" rel="nofollow noreferrer">do-or-do-not</a></li> </ul> <p>The most well-known is probably the <a href="http://ryandaigle.com/articles/2008/11/20/what-s-new-in-edge-rails-object-try" rel="nofollow noreferrer">try method</a> in Rails. However, it has received <a href="http://blog.lawrencepit.com/2009/01/11/try-as-you-might/" rel="nofollow noreferrer">some</a> <a href="http://github.com/raganwald/homoiconic/blob/master/2008-12-16/welcome.md" rel="nofollow noreferrer">criticism</a>.</p> <p>In any case, I think Ben's solution is perfectly sufficient.</p>

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