.. index:: proto_hierarchyp .. _proto_hierarchyp/0:

.. rst-class:: right

protocol

proto_hierarchyp

Prototype hierarchy protocol.

| Availability: | logtalk_load(hierarchies(loader))

| Author: Paulo Moura | Version: 1:1:0 | Date: 2006-02-20

| Compilation flags: | static

| Extends: | public :ref:`hierarchyp <hierarchyp/0>`

| Remarks: | (none)

| Inherited public predicates: |  :ref:`hierarchyp/0::ancestor/1`  :ref:`hierarchyp/0::ancestors/1`  :ref:`hierarchyp/0::descendant/1`  :ref:`hierarchyp/0::descendants/1`  :ref:`hierarchyp/0::leaf/1`  :ref:`hierarchyp/0::leaves/1`  

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

Public predicates

.. index:: parent/1 .. _proto_hierarchyp/0::parent/1:

parent/1 ^^^^^^^^^^^^

Returns, by backtracking, all object parents.

| Compilation flags: | static

| Template: | parent(Parent) | Mode and number of proofs: | parent(?object) - zero_or_more

---

.. index:: parents/1 .. _proto_hierarchyp/0::parents/1:

parents/1 ^^^^^^^^^^^^^

List of all object parents.

| Compilation flags: | static

| Template: | parents(Parents) | Mode and number of proofs: | parents(-list) - one

---

.. index:: extension/1 .. _proto_hierarchyp/0::extension/1:

extension/1 ^^^^^^^^^^^^^^^

Returns, by backtracking, all object direct descendants.

| Compilation flags: | static

| Template: | extension(Extension) | Mode and number of proofs: | extension(?object) - zero_or_more

---

.. index:: extensions/1 .. _proto_hierarchyp/0::extensions/1:

extensions/1 ^^^^^^^^^^^^^^^^

List of all object direct descendants.

| Compilation flags: | static

| Template: | extensions(Extensions) | Mode and number of proofs: | extensions(-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:`proto_hierarchy <proto_hierarchy/0>`