.. index:: hierarchyp .. _hierarchyp/0:

.. rst-class:: right

protocol

hierarchyp

Common hierarchy protocol for prototype and class hierarchies.

| Availability: | logtalk_load(hierarchies(loader))

| Author: Paulo Moura | Version: 1:0:0 | Date: 2000-07-24

| Compilation flags: | static

| Dependencies: | (none)

| Remarks: | (none)

| Inherited public predicates: | (none)

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

Public predicates

.. index:: ancestor/1 .. _hierarchyp/0::ancestor/1:

ancestor/1 ^^^^^^^^^^^^^^

Returns, by backtracking, all object ancestors.

| Compilation flags: | static

| Template: | ancestor(Ancestor) | Mode and number of proofs: | ancestor(?object) - zero_or_more

---

.. index:: ancestors/1 .. _hierarchyp/0::ancestors/1:

ancestors/1 ^^^^^^^^^^^^^^^

List of all object ancestors.

| Compilation flags: | static

| Template: | ancestors(Ancestors) | Mode and number of proofs: | ancestors(-list) - one

---

.. index:: leaf/1 .. _hierarchyp/0::leaf/1:

leaf/1 ^^^^^^^^^^

Returns, by backtracking, all object leaves.

| Compilation flags: | static

| Template: | leaf(Leaf) | Mode and number of proofs: | leaf(?object) - zero_or_more

---

.. index:: leaves/1 .. _hierarchyp/0::leaves/1:

leaves/1 ^^^^^^^^^^^^

List of all object leaves.

| Compilation flags: | static

| Template: | leaves(Leaves) | Mode and number of proofs: | leaves(-list) - one

---

.. index:: descendant/1 .. _hierarchyp/0::descendant/1:

descendant/1 ^^^^^^^^^^^^^^^^

Returns, by backtracking, all object descendants.

| Compilation flags: | static

| Template: | descendant(Descendant) | Mode and number of proofs: | descendant(?object) - zero_or_more

---

.. index:: descendants/1 .. _hierarchyp/0::descendants/1:

descendants/1 ^^^^^^^^^^^^^^^^^

List of all object descendants.

| Compilation flags: | static

| Template: | descendants(Descendants) | Mode and number of proofs: | descendants(-list) - one

---

Protected predicates

(none)

Private predicates

(none)

Operators

(none)