@Override
		public int visit(DisjointPattern pattern, Constructor cons) {
			return cev.visit(subtable, pattern, cons);
		}
Prepare to traverse a subtable
@param subtable the subtable
@param cev the wrapped constructor visitor to invoke
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/languages/sleigh/SleighConstructorTraversal.java