Stefano Crocco
11/16/2007 5:53:00 PM
Alle venerd=EC 16 novembre 2007, aidy ha scritto:
> Hi,
>
> The below code accesses the value of an instance variable
>
> class Object_References
> attr_reader :obj_1, :obj_2
>
> def initialize
> @obj_1 =3D "Object_1"
> @obj_2 =3D "Object_2"
> end
>
> end
>
> ref =3D Object_References.new
> puts ref.obj_1
> puts ref.obj_2
>
> But how can I access the same value in a subclass?
>
> class Whatever < Object_References
>
> #how can I access the above objects variables here
>
> end
>
> Thanks
>
> Aidy
You can access them as you would in the base class:
class A
def initialize
@x =3D 2
end
end
class B < A
=20
def puts_x
puts @x
end
def x=3D(value)
@x =3D value
end
end
b =3D B.new
b.puts_x
b.x=3D3
b.puts_x
Output:
2
3
I hope this helps
Stefano