// create the recessive DOM
        Xpp3Dom t2 = new Xpp3Dom("top");
        t2.setAttribute("attr2", "value2");
        t2.setValue("t2Value");
        t2.setInputLocation("t2top");

        // merge and check results.
        Xpp3Dom result = Xpp3Dom.mergeXpp3Dom(t1, t2);

        assertEquals(2, result.getAttributeNames().length);

        } else if (value.hasFixedValue()) {
            // transform preserving side effects
            visitor.execute(ValueSupplier.ExecutionTimeValue.value(value.toValue().transform(ImmutableList::of)));
        } else {
            visitor.execute(ValueSupplier.ExecutionTimeValue.changingValue(value.getChangingValue().map(transformer(ImmutableList::of))));
        }
    }

        1 * sideEffect1.execute("some value")
        then: // ensure ordering
        1 * sideEffect2.execute("other value")
        0 * _

        when:
        unpackedValue = executionTimeValue.toValue().get()
        then:
        unpackedValue == expectedUnpackedValue
        1 * sideEffect1.execute("some value")
        then: // ensure ordering
        1 * sideEffect2.execute("other value")
        0 * _

        1 * sideEffect1.execute("some value")
        then: // ensure ordering
        1 * sideEffect2.execute("other value")
        0 * _

        when:
        unpackedValue = executionTimeValue.toValue().get()
        then:
        unpackedValue == toImmutable(expectedUnpackedValue)
        1 * sideEffect1.execute("some value")
        then: // ensure ordering
        1 * sideEffect2.execute("other value")

	p = datap.pctab[off:]
	pc = f.entry()
	val = -1
	for {
		var ok bool
		p, ok = step(p, &pc, &val, pc == f.entry())
		if !ok {
			break
		}
		print("\tvalue=", val, " until pc=", hex(pc), "\n")
	}

	throw("invalid runtime symbol table")
	return -1, 0
}

func funcname(f funcInfo) string {
	if !f.valid() {
		return ""
	}

             "folder produced value of incorrect type");
      if ((attr = ComputeOutputComponent(ValuePort(value)))) {
        DCOMMENT("\t\tValue Result mapped to " << attr);
        RecordValue(ValuePort(std::get<0>(result)), attr);
      } else {
        DCOMMENT("\t\tValue result unmapped, consider value type:" << value);
        RefineResultType(op, std::get<0>(result), value.getType());
      }
    }