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@rdavila
Created October 26, 2012 17:02
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class A
attr_accessor :foo
def ==(other)
other.is_a?(B) && self.foo == other.foo
end
end
class B
attr_accessor :foo
end
# probando en consola
>> a = A.new
=> #<A:0x007f90159ea2d0>
>> a.foo = 3
=> 3
>> b = B.new
=> #<B:0x007f90158b9f28>
>> b.foo = 3
=> 3
>> a == b
=> true
>> b.foo = 5
=> 5
>> a == b
=> false
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