From: Amarison <amarison@...>
Date: 2005-07-02T23:55:43+09:00
Subject: class variable leading a double life

Can someone please explain why the @var variable leads a double life? One
for instances and one for the class itself?



class Test
 def Test.inc
  @var ||= 0
  @var += 1
 end

 def inc
  @var ||= 0
  @var += 1
 end
end


puts Test.inc

x = Test.new
puts x.inc

y = Test.new
puts y.inc

#-------------

puts Test.inc
puts x.inc
puts y.inc