Function to_string

include/bout/sys/uuid.h:570–574

template <class CharT = char, class Traits = std::char_traits<CharT>,
          class Allocator = std::allocator<CharT>>
inline std::basic_string<CharT, Traits, Allocator> to_string(uuid const& id) {
  std::basic_stringstream<CharT, Traits, Allocator> sstr;
  sstr << id;
  return sstr.str();
}

inline void swap(uuids::uuid& lhs, uuids::uuid& rhs) noexcept { lhs.swap(rhs); }