my_methods.irbrc.rb

# Put this in your .irbrc, and then type
# "some_object.my_methods" in an IRB session
# for less noisy exploration of what objects
# can do.

class Object
  def my_methods
    base_object = case self
                  when Class  then Class.new
                  when Module then Module.new
                  else             Object.new
                  end
    (methods - base_object.methods).sort
  end
end