A.32 library(ordsets): Ordered set manipulation
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The SWI-Prolog library
library(ordsets): Ordered set manipulation
is_ordset/1
ord_empty/1
ord_seteq/2
list_to_ord_set/2
ord_intersect/2
ord_disjoint/2
ord_intersect/3
ord_intersection/2
ord_intersection/3
ord_intersection/4
ord_add_element/3
ord_del_element/3
ord_selectchk/3
ord_memberchk/2
ord_subset/2
ord_subtract/3
ord_union/2
ord_union/3
ord_union/4
ord_symdiff/3
Packages
Availability:
:- use_module(
library(ordsets)
).
(can be autoloaded)
[det]
ord_union
(
+Set1, +Set2, -Union, -New
)
True iff
ord_union(Set1, Set2, Union)
and
ord_subtract(Set2, Set1, New)
.
[det]ord_union(+Set1,
+Set2, -Union, -New)[det]ord_union(+Set1,
+Set2, -Union, -New)