Method DescribeNegationTo

tests/gtest/gtest.h:9560–9564

  }

  void DescribeNegationTo(::std::ostream* os) const {
    *os << "doesn't " << (full_match_ ? "match" : "contain")
        << " regular expression ";
    UniversalPrinter<std::string>::Print(regex_->pattern(), os);
  }

 private:
  const std::shared_ptr<const RE> regex_;