max<U extends num> method
Implementation
U? max<U extends num>(TFuncMapper<T, U> funcMapper) {
U? curMax;
for (T? item in this) {
if (item == null) {
continue;
}
U value = funcMapper(item);
if (curMax == null) {
curMax = value;
continue;
}
if (value > curMax) {
curMax = value;
}
}
return curMax;
}