(Program
  (Package
    (Identifier))
  (Function
    (Empty)
    (Identifier)
    ([])
    (
      (Slice
        (Identifier)
      { (Integer)
      ->(Integer) }
        (Empty)
        (Empty))
      (Slice
        (Identifier)
        (Empty)
      { (Integer)
      ->(Integer) }
        (Empty))
      (Slice
        (Identifier)
      { (Integer)
      ->(Empty) }
      { (Integer)
      ->(Empty) }
        (Empty))
      (Slice
        (Identifier)
      { (Integer)
      ->(Integer) }
      { (Integer)
      ->(Integer) }
      { (Integer)
      ->(Integer) })
      (Slice
      { (Identifier)
      ->(Identifier) }
        (Integer)
        (Integer)
        (Empty)))))