Pete Campbell campbell

## const_lookup.rb
class Outer
  puts Module.nesting
  A = 'outer'
end
puts Outer::A  #=> outer

class Outer
  class Inner
    puts Module.nesting
    puts A  #=> outer
	class Outer
	puts Module.nesting
	A = 'outer'
	end
	puts Outer::A #=> outer

	class Outer
	class Inner
	puts Module.nesting
	puts A #=> outer