public int traverse(SubtableEntryVisitor visitor) {
		int result = traverse(sub.getDecisionNode(), visitor);
		if (result == CONTINUE) {
			return FINISHED;
		}
		return result;
	}
Traverse the constructors in the table
@param visitor a callback for each constructor
@return a value from {@link VisitorResults}
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/languages/sleigh/SleighSubtableTraversal.java