minOrNull method
T?
minOrNull()
Returns the smallest element or null
if there are no elements.
Implementation
T? minOrNull() {
final i = iterator();
if (!iterator().hasNext()) return null;
T min = i.next();
while (i.hasNext()) {
final T e = i.next();
if (Comparable.compare(min, e) > 0) {
min = e;
}
}
return min;
}