루프 증분

contract Inc1{
    uint[] public arr = [0,1,2,3,4,5,6,7,8,9,10];
    uint total;

    function something() external {
        uint sum;
        uint[] memory _arr = arr;
        for (uint i; i < _arr.length; i += 1) {
            sum += _arr[i];
        }
        total = sum;
    }
}

contract Inc2{
    uint[] public arr = [0,1,2,3,4,5,6,7,8,9,10];
    uint total;

    function something() external {
        uint sum;
        uint[] memory _arr = arr;
        for (uint i; i < _arr.length; i++) {
            sum += _arr[i];
        }
        total = sum;
    }
}