isMultipleOf method
Returns true if this int is a multiple of other
Example:
10.isMultipleOf(5); // true
11.isMultipleOf(5); // false
0.isMultipleOf(5); // true (0 is a multiple of any number)
Throws:
ArgumentError: Ifotheris zero
Implementation
bool isMultipleOf(int other) {
if (other == 0) {
throw ArgumentError('Cannot check if a number is a multiple of zero');
}
return this % other == 0;
}