SV = PVNV(0x1e3f350) at 0x1e59a40
  REFCNT = 2
  FLAGS = (NOK,POK,IsCOW,pIOK,pNOK,pPOK)
  IV = 22
  NV = 22.5
  PV = 0x1e6f870 "22.5 "\0
  CUR = 5
  LEN = 10
  COW_REFCNT = 1
str: <22.5 > / num: <22>