Method exit

chapter21/src/test/java/com/seaofnodes/simple/Eval2.java:235–237

( ReturnNode ret )

    }

    private static String exit( ReturnNode ret ) {
        return prettyPrint(ret.expr()._type,val(ret.expr()));
    }

    // Take a worklist step: one data op from the current Control is updated.
    private static void step(Node n, SB trace) {