Namespace SafeMath

const res = SafeMath.add(1, 2);

// code here is not executed if the calculation above overflows/underflows

const res = SafeMath.div(1, 2);

// code here is not executed if the calculation above overflows/underflows

const res = SafeMath.mod(10, 2);

// code here is not executed if the calculation above overflows/underflows

const res = SafeMath.mul(1, 2);

// code here is not executed if the calculation above overflows/underflows

const res = SafeMath.sub(1, 2);

// code here is not executed if the calculation above overflows/underflows

const res = SafeMath.tryAdd(1, 2);

if (!res.error) {
  System.Log('1 + 2 = ' + c.value.toString());
} else {
  System.log('could not add');
}

const res = SafeMath.tryDiv(2, 1);

if (!res.error) {
  System.Log('2 / 1 = ' + c.value.toString());
} else {
  System.log('could not divide');
}

const res = SafeMath.tryMod(2, 1);

if (!res.error) {
  System.Log('2 % 1 = ' + c.value.toString());
} else {
  System.log('could not calculate modulo');
}

const res = SafeMath.tryMul(2, 1);

if (!res.error) {
  System.Log('2 * 1 = ' + c.value.toString());
} else {
  System.log('could not multiply');
}

const res = SafeMath.trySub(2, 1);

if (!res.error) {
  System.Log('2 - 1 = ' + c.value.toString());
} else {
  System.log('could not subtract');
}