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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-07-07 07:36:34 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-07-07 07:36:34 +0000
commit441546edcfbb1b346c87b69c5f578d1a0e522e06 (patch)
tree04f606a008baebc445f38944ad37e87468da29ea /ruby_1_8_6/sample/observ.rb
parentfa93611c0f9a6db146341c792bfe3b7322ec00e2 (diff)
add tag v1_8_6_269
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_269@17937 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_6/sample/observ.rb')
-rw-r--r--ruby_1_8_6/sample/observ.rb32
1 files changed, 32 insertions, 0 deletions
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