According to {TAIL ~ one embodiment}, a new value to replace {HEAD ~ a value} associated with a virtual type in a computer program is received 
According to { TAIL ~ one embodiment } , a new value to replace { HEAD ~ a value } associated with a virtual type in a computer program is received
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH