src/main/java/wyfs/util/Trie.java
public static Trie fromString(Path.ID id) {
		if(id instanceof Trie) {
			return ((Trie)id);
		}
		Trie r = ROOT;
		for(int i=0;i!=id.size();++i) {
			r = r.append(id.get(i));
		}
		return r;
	}
public static Trie fromString(Path.ID id) {
		if(id instanceof Trie) {
			return ((Trie)id);
		}
		Trie r = ROOT;
		for(int i=0;i!=id.size();++i) {
			r = r.append(id.get(i));
		}
		return r;
	}
Construct a Trie from a Path ID.

@param str
@return