// SPDX-License-Identifier: UNLICENSE pragma solidity ^0.4.18; // Source: https://marduc812.com/2021/04/08/how-to-save-gas-in-your-ethereum-smart-contracts/ contract SaveGas { uint8 resultA = 0; function UseUInt8() external returns (uint8) { uint8 selectedRange = 255; for (uint8 i = 0; i < selectedRange; i++) { resultA += 1; } return resultA; } } 0.4.18