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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-03-06 03:56:38 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-03-06 03:56:38 +0000 |
| commit | d17d1b111341f2c8979cf8fbd63ec7ec9db7c3ad (patch) | |
| tree | 5e35d5b41aae961b37cf6632f60c42f51c7aa775 /lib/observer.rb | |
| parent | 101e79d7b434c01c0e6f4bcc480003858ab8e1a4 (diff) | |
| download | ruby-d17d1b111341f2c8979cf8fbd63ec7ec9db7c3ad.tar.gz ruby-d17d1b111341f2c8979cf8fbd63ec7ec9db7c3ad.tar.xz ruby-d17d1b111341f2c8979cf8fbd63ec7ec9db7c3ad.zip | |
* {ext,lib,test}/**/*.rb: removed trailing spaces.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@22784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/observer.rb')
| -rw-r--r-- | lib/observer.rb | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/observer.rb b/lib/observer.rb index 472a15439..ee3f01b79 100644 --- a/lib/observer.rb +++ b/lib/observer.rb @@ -7,7 +7,7 @@ # # The Observer pattern, also known as Publish/Subscribe, provides a simple # mechanism for one object to inform a set of interested third-party objects -# when its state changes. +# when its state changes. # # == Mechanism # @@ -39,14 +39,14 @@ # contracts are correct, nothing else can warn you. # # require "observer" -# +# # class Ticker ### Periodically fetch a stock price. # include Observable -# +# # def initialize(symbol) # @symbol = symbol # end -# +# # def run # lastPrice = nil # loop do @@ -67,14 +67,14 @@ # 60 + rand(80) # end # end -# +# # class Warner ### An abstract observer of Ticker objects. # def initialize(ticker, limit) # @limit = limit # ticker.add_observer(self) # end # end -# +# # class WarnLow < Warner # def update(time, price) # callback for observer # if price < @limit @@ -82,7 +82,7 @@ # end # end # end -# +# # class WarnHigh < Warner # def update(time, price) # callback for observer # if price > @limit |