Method close

extlibs/fmt/src/os.cc:162–167

}

void buffered_file::close() {
  if (!file_) return;
  int result = FMT_SYSTEM(fclose(file_));
  file_ = nullptr;
  if (result != 0) FMT_THROW(system_error(errno, "cannot close file"));
}

// A macro used to prevent expansion of fileno on broken versions of MinGW.
#define FMT_ARGS