How are solidity integer overflows handled?

Question

uint8 x = 255;

x += 10;

Is x going to be 0 or 9?

score 8 · Accepted Answer · edited Apr 13 '17 at 13:01

8

x will be 9.

contract C {
    function test() returns(uint) {
        uint8 x = 255;
        x += 10;
        return x;
    }
}

Decoded: uint256: 9

edited Apr 13 '17 at 13:01

Community

answered Jul 27 '16 at 08:36

eth

You're a life saver! Thank you, good sir! You're like a kind wizard that makes dumb contracts smart)) – manidos Jul 27 '16 at 08:55

1 Answers1