// TODO: some commment
 def main:
    "testing"

 dup match_unit_kind = # {unit case_void case_item case_goal case_hero}
    cpy unit = unit
    let kind = (get_unit_kind unit)
    if |kind == VOID| then:
      case_void
    else: if |kind == ITEM| then:
      case_item
    else: if |kind == GOAL| then:
      case_goal
    else: if |kind == HERO| then:
      case_hero
    else:
      0

  let half00 = [[[hero00,hero01],[hero02,hero03]],[[hero04,hero05],[hero06,hero07]]]

  dup get_unit_kind = # {unit} ||unit >> 30| & 0b00000011|
  dup get_unit_side = # {unit} ||unit >> 28| & 0b00000011|
  dup get_unit_type = # {unit} ||unit >> 26| & 0b00000011|