$ perl -MDevel::Peek -e'sub f { Dump $_[0] } f($h{akey})'
SV = PVLV(0xd28a78) at 0xcb2658
  REFCNT = 1
  FLAGS = (GMG,SMG)
  IV = 0
  NV = 0
  PV = 0
  MAGIC = 0xce9828
    MG_VIRTUAL = &PL_vtbl_defelem
    MG_TYPE = PERL_MAGIC_defelem(y)
    MG_FLAGS = 0x02
      REFCOUNTED
    MG_OBJ = 0xcb2820
    SV = PV(0xcb2ed8) at 0xcb2820
      REFCNT = 1
      FLAGS = (POK,pPOK)
      PV = 0xce97f8 "akey"\0
      CUR = 4
      LEN = 10
  TYPE = y
  TARGOFF = 0
  TARGLEN = 1
  TARG = 0xce1a80
  FLAGS = 0
  SV = PVHV(0xcb8218) at 0xce1a80
    REFCNT = 2
    FLAGS = (SHAREKEYS)
    ARRAY = 0x0
    KEYS = 0
    FILL = 0
    MAX = 7