U:RDoc::AnyMethod[iI"add_observer:ETI"Observable#add_observer;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"KAdd +observer+ as an observer on this object. So that it will receive ;TI"notifications.;To:RDoc::Markup::BlankLineo:RDoc::Markup::List:
@type:	NOTE:@items[o:RDoc::Markup::ListItem:@label[I"+observer+;T;	[o;
;	[I"1the object that will be notified of changes.;To;;[I"+func+;T;	[o;
;	[I"GSymbol naming the method that will be called when this Observable ;TI"has changes.;T@o;
;	[	I"FThis method must return true for +observer.respond_to?+ and will ;TI"Creceive <tt>*arg</tt> when #notify_observers is called, where ;TI"D<tt>*arg</tt> is the value passed to #notify_observers by this ;TI"Observable;T:
@fileI"lib/observer.rb;T:0@omit_headings_from_table_of_contents_below000[I"(observer, func=:update);T@'FI"Observable;TcRDoc::NormalModule00