From: Joel VanderWerf <vjoel@...>
Date: 2004-03-04T08:02:12+09:00
Subject: Re: Why do inner methods count in outer scope?

Mark Hubbart wrote:
> 
> On Mar 2, 2004, at 10:44 PM, Charles Comstock wrote:
> 
>> def foo(x)
>>     def bar(n)
>>         n + 1
>>     end
>>     bar(x)
>> end
>>
>> foo(5) # -> 6
>> bar(5) # -> 6
>>
>> Why is bar escaping the scope of foo?  Is this a bug, or an unintended 
>> feature?
> 
> 
> Intended feature :)
> 
> Method definitions are scoped the same way as @variables; the new method 
> is added to the current instance. It doesn't matter if you do it at the 
                           ^^^^^^^^

Not exactly. It can be added to the current class, if that is the scope:

class A
   def foo
     def bar; p "BAR"; end
   end
end

a = A.new
b = A.new

a.foo
b.bar  # ==> "BAR"