module RSpec::Core::Subject::InstanceMethods

def should_not(matcher=nil, message=nil)

end
it { should_not be_eligible_to_vote }
describe Person do

== Examples

explicit) of the example group.
Just like +should+, +should_not+ delegates to the subject (implicit or 
def should_not(matcher=nil, message=nil)
  self == subject ? self.__should_not_for_example_group__(matcher) : subject.should_not(matcher,message)
end