What the warning is telling you to do is: res = if block_given? yield(array[i], array[i+1]) else array[i] – array[i+1] end That is, having a single assignment instead of two (or even more).
While both of those answers above work (well the example that tony links to anyway) I ended up finding the most succinct answer in that above post (comment by Kornelis Sietsma) I guess render :layout does exactly what I was looking for: # Some View <%= render :layout => ‘/shared/panel’, :locals => {:title => ‘some … Read more
Yes, it is a bit puzzling at first. In Ruby, methods can receive a code block in order to perform arbitrary segments of code. When a method expects a block, you can invoke it by calling the yield function. Example: Take Person, a class with a name attribute and a do_with_name method. When the method … Read more