Daniel Sche wrote:

> 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?

method(:y).class or method(:y).object_id