@array is: ARRAY(0x6f66a0)
  - SCALAR(0x81ee20)
  - SCALAR(0x81ee38)
Iterating over the elements:
  - SCALAR(0x81ee20)
  - SCALAR(0x81ee38)
In MyFunction
@_ is: ARRAY(0x724630)
  - SCALAR(0x81ee20)
  - SCALAR(0x81ee38)
Slice
  - SCALAR(0x81ee20)
  - SCALAR(0x81ee38)
Array overwrite
  - SCALAR(0x81f3c0)
  - SCALAR(0x81f3f0)