.. index:: observer .. _observer/0:

.. rst-class:: right

category

observer

Smalltalk dependent protocol.

| Availability: | logtalk_load(dependents(loader))

| Author: Paulo Moura | Version: 1:0:0 | Date: 2003-02-09

| Compilation flags: | static

| Dependencies: | (none)

| Remarks: | (none)

| Inherited public predicates: | (none)

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

Public predicates

.. index:: update/1 .. _observer/0::update/1:

update/1 ^^^^^^^^^^^^

Called when an observed object is updated.

| Compilation flags: | static

| Template: | update(Change) | Mode and number of proofs: | update(?nonvar) - zero_or_one

---

Protected predicates

(none)

Private predicates

(none)

Operators

(none)

.. seealso::

:ref:`subject <subject/0>`