module Quartz::Observer

Overview

The Observer module is intended to be included in a class as a mixin. It provides a protocol so that objects can register to Observable objects and receives their updates, along with additional optional information.

Observers must define an #update method.

Defined in:

quartz/observer.cr

Instance Method Summary

• #update(observable : Observable, info)

  This method is called whenever the observed object (observable) is changed.

Instance Method Detail