.. index:: difflist .. _difflist/0:

.. rst-class:: right

object

difflist

Difference list predicates.

| Availability: | logtalk_load(types(loader))

| Author: Paulo Moura | Version: 2:0:0 | Date: 2020-05-11

| Compilation flags: | static, context_switching_calls

| Implements: | public :ref:`listp <listp/0>` | Extends: | public :ref:`compound <compound/0>` | Uses: | :ref:`list <list/0>`

| Remarks: | (none)

| Inherited public predicates: |  :ref:`comparingp/0::(<)/2`  :ref:`comparingp/0::(=:=)/2`  :ref:`comparingp/0::(=<)/2`  :ref:`comparingp/0::(=\=)/2`  :ref:`comparingp/0::(>)/2`  :ref:`comparingp/0::(>=)/2`  :ref:`listp/0::append/2`  :ref:`listp/0::append/3`  :ref:`termp/0::check/1`  :ref:`listp/0::delete/3`  :ref:`listp/0::delete_matches/3`  :ref:`termp/0::depth/2`  :ref:`listp/0::drop/3`  :ref:`listp/0::empty/1`  :ref:`listp/0::flatten/2`  :ref:`termp/0::ground/1`  :ref:`listp/0::hamming_distance/3`  :ref:`listp/0::keysort/2`  :ref:`listp/0::last/2`  :ref:`listp/0::length/2`  :ref:`listp/0::max/2`  :ref:`listp/0::member/2`  :ref:`listp/0::memberchk/2`  :ref:`listp/0::min/2`  :ref:`listp/0::msort/2`  :ref:`listp/0::msort/3`  :ref:`termp/0::new/1`  :ref:`listp/0::nextto/3`  :ref:`listp/0::nth0/3`  :ref:`listp/0::nth0/4`  :ref:`listp/0::nth1/3`  :ref:`listp/0::nth1/4`  :ref:`termp/0::numbervars/1`  :ref:`termp/0::numbervars/3`  :ref:`listp/0::occurrences/2`  :ref:`listp/0::occurrences/3`  :ref:`termp/0::occurs/2`  :ref:`listp/0::partition/5`  :ref:`listp/0::permutation/2`  :ref:`listp/0::prefix/2`  :ref:`listp/0::prefix/3`  :ref:`listp/0::proper_prefix/2`  :ref:`listp/0::proper_prefix/3`  :ref:`listp/0::proper_suffix/2`  :ref:`listp/0::proper_suffix/3`  :ref:`listp/0::remove_duplicates/2`  :ref:`listp/0::reverse/2`  :ref:`listp/0::same_length/2`  :ref:`listp/0::same_length/3`  :ref:`listp/0::select/3`  :ref:`listp/0::select/4`  :ref:`listp/0::selectchk/3`  :ref:`listp/0::selectchk/4`  :ref:`listp/0::sequential_occurrences/2`  :ref:`listp/0::sequential_occurrences/3`  :ref:`termp/0::singletons/2`  :ref:`listp/0::sort/2`  :ref:`listp/0::sort/3`  :ref:`listp/0::sort/4`  :ref:`listp/0::split/4`  :ref:`listp/0::sublist/2`  :ref:`listp/0::subsequence/3`  :ref:`listp/0::subsequence/4`  :ref:`listp/0::substitute/4`  :ref:`termp/0::subsumes/2`  :ref:`termp/0::subterm/2`  :ref:`listp/0::subtract/3`  :ref:`listp/0::suffix/2`  :ref:`listp/0::suffix/3`  :ref:`listp/0::take/3`  :ref:`termp/0::valid/1`  :ref:`termp/0::variables/2`  :ref:`termp/0::variant/2`  :ref:`termp/0::varnumbers/2`  :ref:`termp/0::varnumbers/3`  

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

Public predicates

.. index:: add/3 .. _difflist/0::add/3:

add/3 ^^^^^^^^^

Adds a term to the end of a difference list.

| Compilation flags: | static

| Template: | add(Term,DiffList,NewDiffList) | Mode and number of proofs: | add(@term,+difference_list,-difference_list) - one

---

.. index:: as_list/2 .. _difflist/0::as_list/2:

as_list/2 ^^^^^^^^^^^^^

Returns a list with the elements of the difference list.

| Compilation flags: | static

| Template: | as_list(DiffList,List) | Mode and number of proofs: | as_list(@difference_list,-list) - one

---

Protected predicates

(no local declarations; see entity ancestors if any)

Private predicates

(no local declarations; see entity ancestors if any)

Operators

(none)

.. seealso::

:ref:`list <list/0>`, :ref:`list(Type) <list/1>`, :ref:`numberlist <numberlist/0>`, :ref:`varlist <varlist/0>`