# Class variable on singleton class

**URL:** <https://www.ruby-forum.com/t/class-variable-on-singleton-class/135967>\
**Category:** Development\
**Created:** [April 27, 2008, 7:06am UTC](https://www.ruby-forum.com/t/class-variable-on-singleton-class/135967 "2008-04-27T07:06:26Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [April 27, 2008, 7:06am UTC](https://www.ruby-forum.com/t/class-variable-on-singleton-class/135967/1 "2008-04-27T07:06:26Z")

</div>

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class C  
obj = Object.new  
@@vs = :Cvs  
class \<\< obj  
@@vs = :objvs # (A)  
end  
class \<\< obj  
p @@vs  
end  
p @@vs  
end

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