Method File

src/util/file.h:73–74

  bool open() const { return (f_ != NULL); }
 private:
  File(FILE* f_des, const std::string& name)
      : f_(f_des), name_(name) { }
  File(gzFile gz_des, const std::string& name)
      : gz_f_(gz_des), name_(name) {
    is_gz_ = true;