private static <T> int weights(ImmutableList<ComponentSizeAndWeight<T>> sizes) {
return Folds.foldLeft(
sizes,
new Foldleft<ComponentSizeAndWeight<T>, Integer>() {
@Override
public Integer apply(Integer left, ComponentSizeAndWeight<T> right) {
return left + right.weight();
}
},
0);
}
private static <T> int sumOrMax(ImmutableList<ComponentAndSize<T>> sizes) {
return Folds.foldLeft(
sizes,
new Foldleft<ComponentAndSize<T>, Integer>() {
@Override
public Integer apply(Integer left, ComponentAndSize<T> right) {
int ret = left + right.size();
// overflow happend
if ((ret < left) && (ret < right.size())) {
ret = Integer.MAX_VALUE;
}
return ret;
}
},
0);
}