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b4489ae953
https://github.com/ruby/ruby/pull/364 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42086 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
32 lines
498 B
Ruby
32 lines
498 B
Ruby
#! /usr/local/bin/ruby
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require "thread"
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require "observer"
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class Tick
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include Observable
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def initialize
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Thread.start do
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loop do
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sleep 0.999
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now = Time.now
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changed
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notify_observers(now.hour, now.min, now.sec)
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end
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end
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end
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end
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class Clock
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def initialize(tick)
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@tick = tick
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@tick.add_observer(self)
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end
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def update(h, m, s)
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printf "\e[8D%02d:%02d:%02d", h, m, s
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STDOUT.flush
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end
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end
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clock = Clock.new(Tick.new)
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sleep
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