const Error = error{
    unexpected_result,
};
const main = fn() Error!void {
    var i: s32 = 0;
    const j: s32 = 5;
    for (0..10) |_| {
        if (i == j) {
            break;
        }
        i += 1;
    }

    if (i - j != 0) {
        return Error.unexpected_result;
    }
}