# perldoc Devel::Peek

 A reference to an array
   This shows what a reference to an array looks like.

           use Devel::Peek;
           $a = [42];
           Dump $a;

   The output:

           SV = RV(0xf041c)
             REFCNT = 1
             FLAGS = (ROK)
             RV = 0xb2850
           SV = PVAV(0xbd448)
             REFCNT = 1
             FLAGS = ()
             IV = 0
             NV = 0
             ARRAY = 0xb2048
             ALLOC = 0xb2048
             FILL = 0
             MAX = 0
             ARYLEN = 0x0
             FLAGS = (REAL)
           Elt No. 0 0xb5658
           SV = IV(0xbe860)
             REFCNT = 1
             FLAGS = (IOK,pIOK)
             IV = 42


# output I run

C:\>perl test3.pl
SV = IV(0x19dd38) at 0x19dd3c
  REFCNT = 1
  FLAGS = (PADMY,ROK)
  RV = 0x14a90c
  SV = PVAV(0x14c204) at 0x14a90c
    REFCNT = 1
    FLAGS = ()
    ARRAY = 0x1a208c
    FILL = 0
    MAX = 0
    ARYLEN = 0x0
    FLAGS = (REAL)
    Elt No. 0
    SV = IV(0x14a9a8) at 0x14a9ac
      REFCNT = 1
      FLAGS = (IOK,pIOK)
      IV = 42