Hello

irb(main):177:0* y=0
=> 0
irb(main):178:0> def y; 1; end
=> nil
irb(main):179:0> y
=> 0
irb(main):180:0> y()
=> 1
irb(main):181:0> y.class
=> Fixnum
irb(main):182:0>

how to get the class of the function y?
or object_id for example?

Regards, Daniel