Patrick Li wrote:
> 2) Procs without proc keyword.
> 
> Is there any reason why we need a proc keyword in front of a block?

Well, it's not exactly what you're looking for, but Ruby 1.9 has 
introduced the "->" notation for closures. It takes a bit of getting 
used to, but personally I rather like it. See 
http://eigenclass.org/hiki.rb?Changes+in+Ruby+1.9#l9 for more info 
(except it's no longer experimental).

-Josh
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