Method StreamPrefixer

src/osvr/Server/ConfigureServer.cpp:51–52

        class StreamPrefixer {
          public:
            StreamPrefixer(const char *prefix, std::ostream &os)
                : m_prefix(prefix), m_os(&os) {}
            template <typename T> std::ostream &operator<<(T val) {
                return (*m_os) << m_prefix << val;
            }