the <i>packer</i>.&nbsp; Thus, the process of unpacking into an object is easy.&nbsp; You need only ensure that the field order of packing and unpacking are the same for the converters on both sides of the language boundary.</p><p>When unpacking sub-objects, you first unpack a 4-bit value and interpret as follows</p><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>0</td><td class=CDLDescription>set the sub-object to NULL</td></tr><tr><td class=CDLEntry>1</td><td clas