From 7dc80f4f9c42752a6c870cff8a908f283b37cffa Mon Sep 17 00:00:00 2001
From: "(no author)" <(no author)@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 22 Mar 2002 04:48:57 +0000
Subject: This commit was manufactured by cvs2svn to create branch 'SHIGEO'.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/SHIGEO@2245 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/observer.rb | 46 ----------------------------------------------
 1 file changed, 46 deletions(-)
 delete mode 100644 lib/observer.rb

(limited to 'lib/observer.rb')

diff --git a/lib/observer.rb b/lib/observer.rb
deleted file mode 100644
index e1b249e885..0000000000
--- a/lib/observer.rb
+++ /dev/null
@@ -1,46 +0,0 @@
-# Observable Mixin
-# 
-# Observers must respond to update
-
-module Observable
-  def add_observer(observer)
-    @observer_peers = [] unless defined? @observer_peers
-    unless observer.respond_to? :update
-      raise NameError, "observer needs to respond to `update'" 
-    end
-    @observer_peers.push observer
-  end
-  def delete_observer(observer)
-    @observer_peers.delete observer if defined? @observer_peers
-  end
-  def delete_observers
-    @observer_peers.clear if defined? @observer_peers
-  end
-  def count_observers
-    if defined? @observer_peers
-      @observer_peers.size
-    else
-      0
-    end
-  end
-  def changed(state=true)
-    @observer_state = state
-  end
-  def changed?
-    if defined? @observer_state and @observer_state
-      true
-    else
-      false
-    end
-  end
-  def notify_observers(*arg)
-    if defined? @observer_state and @observer_state
-      if defined? @observer_peers
-	for i in @observer_peers.dup
-	  i.update(*arg)
-	end
-      end
-      @observer_state = false
-    end
-  end
-end
-- 
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