Method DescribeTo

tests/gtest/gtest.h:9096–9096

  ~MatcherInterfaceAdapter() override { delete impl_; }

  void DescribeTo(::std::ostream* os) const override { impl_->DescribeTo(os); }

  void DescribeNegationTo(::std::ostream* os) const override {
    impl_->DescribeNegationTo(os);