deferred class
	TRAVERSABLE_SUBSET [G]

General
	cluster: base.structures.set
	description: "Subsets that are traversable sequentially"

Ancestors
	SUBSET [G]

Queries
	after: BOOLEAN
	changeable_comparison_criterion: BOOLEAN
	count: INTEGER
	disjoint (other: TRAVERSABLE_SUBSET [G]): BOOLEAN
	duplicate (n: INTEGER): [like Current] TRAVERSABLE_SUBSET [G]
	extendible: BOOLEAN
	has (v: G): BOOLEAN
	is_empty: BOOLEAN
	is_inserted (v: G): BOOLEAN
	is_subset (other: TRAVERSABLE_SUBSET [G]): BOOLEAN
	is_superset (other: SUBSET [G]): BOOLEAN
	item: G
	linear_representation: LINEAR [G]
	object_comparison: BOOLEAN
	off: BOOLEAN
	prunable: BOOLEAN

Commands
	compare_objects
	compare_references
	extend (v: G)
	fill (other: CONTAINER [G])
	forth
	intersect (other: TRAVERSABLE_SUBSET [G])
	merge (other: CONTAINER [G])
	prune (v: G)
	prune_all (v: G)
	put (v: G)
	remove
	start
	subtract (other: TRAVERSABLE_SUBSET [G])
	symdif (other: TRAVERSABLE_SUBSET [G])
	wipe_out

Constraints
	empty definition
	count range