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It occured to me that my gems of wisdom on my Snippets page likely go unnoticed by you faithful blog readers, so you might want to subscribe to my snippets feed as well so you don’t miss beauties like this (yes, I know this will seem lame to some, but I think it’s clever):

class Object
 def in?(object)
   object.include? self
 end
end

>> 1.in? 2..3
=> false
>> 1.in? 1..3
=> true
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