class RSpec::Matchers::BuiltIn::Have

def matches?(collection_or_owner)
  collection = determine_collection(collection_or_owner)
  case collection
  when enumerator_class
    for query_method in QUERY_METHODS
      next unless collection.respond_to?(query_method)
      @actual = collection.__send__(query_method)
      if @actual
        print_deprecation_message(query_method)
        break
      end
    end
    raise not_a_collection if @actual.nil?
  else
    query_method = determine_query_method(collection)
    raise not_a_collection unless query_method
    @actual = collection.__send__(query_method)
    print_deprecation_message(query_method)
  end
  case @relativity
  when :at_least then @actual >= @expected
  when :at_most  then @actual <= @expected
  else                @actual == @expected
  end
end