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Pack prolog_library_collection -- prolog/counter.pl
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 counter_create(-Counter:compound) is det
 counter_increment(+Counter:compound) is det
 counter_increment(+Counter:compound, -Value:nonneg) is det
 counter_value(+Counter:compound, +N:nonneg) is semidet
counter_value(+Counter:compound, -N:nonneg) is det

Undocumented predicates

The following predicates are exported, but not or incorrectly documented.

 counter_increment(Arg1, Arg2)