How can you copy an array with Int?

• How to get diff of current git folder with Kaleidoscope?
  • Set Kaleidoscope as merge and diff tool
  • gdt
• How to remove duplicated elements in array?
  • Make element conform to Equatable protocol
  • Use reduce
• How can you copy an array with Int?
  • Var newArr: [Int] = oldArr
  • Value type array are automatically copied
• How can you get a deep copy of an array with objects?
  • Enum each objects and get a copy of object
  • If you only var newArr = oldArr, you will get a new arrary filled with old elements