Extracted from Pike v7.8 release 866 at 2016-11-06.
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ADT
ADT.Sequence

Classes
 SequenceIterator

Methods
 _equal()
 _get_iterator()
 _indices()
 _insert_element()
 _remove_element()
 _search()
 _sizeof()
 _values()
 `&()
 `+()
 `-()
 `[]()
 `[]=()
 `^()
 `|()
 add()
 cast()
 clear()
 create()
 delete_value()
 first()
 is_empty()
 last()
 max_size()
previousADT.Sequence()->first()
ADT.Sequence()->last()next

Method ADT.Sequence()->is_empty()

Method is_empty

int(0..1) is_empty()

Returns

Returns 1 if the sequence is empty otherwise 0.