Function Value2String

paddle/common/flags_native.cc:195–229

}

std::string Value2String(const void* value, FlagType type) {
  switch (type) {
    case FlagType::BOOL: {
      const bool* val = static_cast<const bool*>(value);
      return *val ? "true" : "false";
    }
    case FlagType::INT32: {
      const int32_t* val = static_cast<const int32_t*>(value);
      return std::to_string(*val);
    }
    case FlagType::UINT32: {
      const uint32_t* val = static_cast<const uint32_t*>(value);
      return std::to_string(*val);
    }
    case FlagType::INT64: {
      const int64_t* val = static_cast<const int64_t*>(value);
      return std::to_string(*val);
    }
    case FlagType::UINT64: {
      const uint64_t* val = static_cast<const uint64_t*>(value);
      return std::to_string(*val);
    }
    case FlagType::DOUBLE: {
      const double* val = static_cast<const double*>(value);
      return std::to_string(*val);
    }
    case FlagType::STRING: {
      const std::string* val = static_cast<const std::string*>(value);
      return *val;
    }
    default:
      LOG_FLAG_FATAL_ERROR("flag type is undefined.");
      return "";
  }
}

std::string Flag::Summary() const {
  return "--" + name_ + ": " + FlagType2String(type_) + ", " + description_ +