.. index:: single: combinations .. _combinations/0:

.. rst-class:: right

object

combinations

Implementation of combinations operations over lists.

| Availability: | logtalk_load(combinations(loader))

| Author: Paulo Moura | Version: 2:1:0 | Date: 2026-05-21

| Compilation flags: | static, context_switching_calls

| Implements: | public :ref:`combinations_protocol <combinations_protocol/0>` | Uses: | :ref:`fast_random(Algorithm) <fast_random/1>` | :ref:`list <list/0>` | :ref:`natural <natural/0>`

| Remarks: | (none)

| Inherited public predicates: |  :ref:combinations_protocol/0::combination/3  :ref:combinations_protocol/0::combination/4  :ref:combinations_protocol/0::combination_index/4  :ref:combinations_protocol/0::combination_index/5  :ref:combinations_protocol/0::combinations/3  :ref:combinations_protocol/0::combinations/4  :ref:combinations_protocol/0::count_combinations/3  :ref:combinations_protocol/0::count_distinct_combinations/3  :ref:combinations_protocol/0::distinct_combination/3  :ref:combinations_protocol/0::distinct_combination/4  :ref:combinations_protocol/0::distinct_combination_index/4  :ref:combinations_protocol/0::distinct_combinations/3  :ref:combinations_protocol/0::distinct_combinations/4  :ref:combinations_protocol/0::next_combination/3  :ref:combinations_protocol/0::nth_combination/4  :ref:combinations_protocol/0::nth_combination/5  :ref:combinations_protocol/0::nth_distinct_combination/4  :ref:combinations_protocol/0::previous_combination/3  :ref:combinations_protocol/0::random_combination/3  :ref:combinations_protocol/0::random_distinct_combination/3  :ref:combinations_protocol/0::sample_combinations/4  :ref:combinations_protocol/0::sample_distinct_combinations/4  

.. contents:: :local: :backlinks: top

Public predicates

(no local declarations; see entity ancestors if any)

Protected predicates

(no local declarations; see entity ancestors if any)

Private predicates

(no local declarations; see entity ancestors if any)

Operators

(none)