datafmt: use new reflect interface (CL 31107)
datafmt: use new reflect interface (CL 31107)

R=gri
DELTA=70  (7 added, 17 deleted, 46 changed)
OCL=31113
CL=31283

tav/go,tav/go,tav/go,tav/go,tav/go,tav/go,tav/go