package Group
import NoWurst
import Vectors
import public TempGroups

public function group.enumUnitsInRange(vec2 pos, real range)
	GroupEnumUnitsInRange(this, pos.x, pos.y, range, null)

public function group.enumUnitsInRange(vec2 pos, real range, boolexpr filter)
	GroupEnumUnitsInRange(this, pos.x, pos.y, range, filter)

public function group.clear()
	GroupClear(this)

public function group.addUnit(unit u)
	GroupAddUnit(this, u)

public function group.removeUnit(unit u)
	GroupRemoveUnit(this, u)

public function group.destr()
	DestroyGroup(this)

public function group.contains(unit u) returns boolean
	return IsUnitInGroup(u, this)

// group iterators

public function group.iterator() returns group
	// return a copy of the group:
	bj_groupAddGroupDest = CreateGroup()
	ForGroup(this, function GroupAddGroupEnum)
	return bj_groupAddGroupDest

public function group.hasNext() returns boolean
	return FirstOfGroup(this) != null

public function group.next() returns unit
	let u = FirstOfGroup(this)
	GroupRemoveUnit(this, u)
	return u

public function group.close()
	DestroyGroup(this)