@Override
	public boolean hasNext() {
		try {
			return iter.hasNext();
		}
		catch (IOException e) {
			errHandler.dbError(e);
		}
		return false;
	}
@see ghidra.program.model.address.AddressIterator#hasNext()
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/util/IndexedAddressIterator.java