From 11dbedfaad4a9a9521ece2198a8dc491678b1902 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 29 Aug 2007 04:06:12 +0000
Subject: add tag v1_8_6_5001

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_5001@13304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ruby_1_8_6/sample/observ.rb | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 ruby_1_8_6/sample/observ.rb

(limited to 'ruby_1_8_6/sample/observ.rb')

diff --git a/ruby_1_8_6/sample/observ.rb b/ruby_1_8_6/sample/observ.rb
new file mode 100644
index 0000000000..72e5178b38
--- /dev/null
+++ b/ruby_1_8_6/sample/observ.rb
@@ -0,0 +1,32 @@
+#! /usr/local/bin/ruby
+
+require "thread"
+require "observer"
+
+class Tick
+  include Observable
+  def initialize
+    Thread.start do
+      loop do
+	sleep 0.999
+	now = Time.now
+	changed
+	notify_observers(now.hour, now.min, now.sec)
+      end
+    end
+  end
+end
+
+class Clock
+  def initialize(tick)
+    @tick = tick
+    @tick.add_observer(self)
+  end
+  def update(h, m, s)
+    printf "\e[8D%02d:%02d:%02d", h, m, s
+    STDOUT.flush
+  end
+end
+
+clock = Clock.new(Tick.new)
+sleep
-- 
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