Function size

common/arena_string.h:141–148

  }

  size_type size() const {
    switch (rep_.kind) {
      case common_internal::ArenaStringKind::kSmall:
        return rep_.small.size;
      case common_internal::ArenaStringKind::kLarge:
        return rep_.large.size;
    }
  }

  bool empty() const { return size() == 0; }