```\\nfunction _getSum(uint32[] memory numbers) internal pure returns (uint32 sum) {\\n  // overflow should be impossible in for-loop index\\n  uint256 numbersLength = numbers.length;\\n  for (uint256 i = 0; i < numbersLength; ) {\\n    sum += numbers[i];\\n    unchecked {\\n      // overflow should be impossible in for-loop index\\n      ++i;\\n    }\\n  }\\n}\\n```\\n