Ever need to do !object.nil? - I do and frequently. This patch is
basically rolling up an extension i end up adding to every project i
work on.

Sure using !object.nil? to see if an instance is not nil works but how
much more meaningful and elegant is object.not_nil? ? Creating a
separate plugin for this small but powerful feature would be crazy so
heres the patch to better all the rails projects out there.

This patch extends Object and NilClass respectively:
"any object".not_nil? #=> true
Object.new.not_nil? #=> true
Object.not_nil? #=> true
nil.not_nil? #=> false

Tests included! Please add +1 to the ticket if your inclined to do
so...

http://dev.rubyonrails.org/ticket/10499
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