Method has_email

lib_rpc/samples/test.pb.h:612–614

optional string email = 3;

// optional string email = 3;
inline bool Person::has_email() const {
  return (_has_bits_[0] & 0x00000004u) != 0;
}
inline void Person::set_has_email() {
  _has_bits_[0] |= 0x00000004u;
}