maxOf function
Finds the maximum value in an iterable of integers.
Returns 0 for empty iterables.
Example:
maxOf([3, 7, 2, 9]); // 9
maxOf([]); // 0
Implementation
int maxOf(Iterable<int> values) {
var max = 0;
for (final v in values) {
if (v > max) max = v;
}
return max;
}