The `goog.labs.observe.Observer` Interface

`goog.labs.observe.Observer()`

A class implementing {@code Observer} may be informed of changes in observable object.

@see: {goog.labs.observe.Observable} @interface

unhandled information:

type: 'interface'

`.equals`

Whether this observer is equal to the given observer.

observer {!goog.labs.observe.Observer}: The observer to compare with.
returns {boolean}: Whether the two observers are equal.

`.fromFunction(fn, opt_scope)`

Creates an observer that calls the given function.

fn {function(!goog.labs.observe.Notice)}: Function to be converted.
opt_scope {!Object=}: Optional scope to execute the function.
returns {!goog.labs.observe.Observer}: An observer object.

`.notify`

Notifies the observer of changes to the observable object.

notice {!goog.labs.observe.Notice}: The notice object.