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author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/sample/observ.rb | |
parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/sample/observ.rb')
-rw-r--r-- | trunk/sample/observ.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/trunk/sample/observ.rb b/trunk/sample/observ.rb new file mode 100644 index 0000000000..72e5178b38 --- /dev/null +++ b/trunk/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 |