A.26 library(nb_set): Non-backtrackable set
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The SWI-Prolog library
library(nb_set): Non-backtrackable set
empty_nb_set/1
add_nb_set/2
add_nb_set/3
gen_nb_set/2
size_nb_set/2
nb_set_to_list/2
Packages
Availability:
:- use_module(
library(nb_set)
).
(can be autoloaded)
add_nb_set
(
+Key, !Set
)
Add
Key
to
Set
. If
Key
is already a member of
Set
,
add_nb_set/3
succeeds without modifying
Set
.
add_nb_set(+Key,
!Set)Add Key to Set. If Key is already a
member of
Set, add_nb_set/3
succeeds without modifying Set.