}
public Iterator<Body<T>> iterator() { return ((IterableForest<T>)resolve()).iterator(); }
public HashSet<Tree<T>> expand(boolean toss) { return resolve().expand(toss); }
- public boolean valid() { resolve(); return valid; }
+ public boolean valid() { if (valid) return true; resolve(); return valid; }
public String toString() { return resolve().toString(); }
public Forest resolve() {
if (hp==null) return res;
else results = new HashSet<Body>();
}
if (results != null) {
- for(Forest<?> p : hp) for(Body<?> b : (IterableForest<?>)p) results.add(b);
+ for(Forest<?> p : hp)
+ for(Body<?> b : (IterableForest<?>)p)
+ results.add(b);
for(Body b : results) {
if (b.keep() && (b.creator==null || !b.creator.lame)) continue;
- if (!b.keep(results)) continue;
if (b.creator!=null && b.creator.lame) continue;
+ if (!b.keep(results)) continue;
valid = true;
b.addTo(nh);
}