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		210367ec88
		
	
	
	
	
		
			
			which included commits to RCS files with non-trunk default branches. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			32 lines
		
	
	
	
		
			470 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
	
		
			470 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| #! /usr/local/bin/ruby
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| 
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| require "thread"
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| require "observer"
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| 
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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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| 
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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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| 
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| clock = Clock.new(Tick.new)
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| sleep
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