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shorten long line of lib/redmine/hook.rb

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git-svn-id: http://svn.redmine.org/redmine/trunk@20429 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Toshi MARUYAMA 2020-11-19 13:30:00 +00:00
parent c85a18e9bf
commit f49ab715f7
1 changed files with 4 additions and 1 deletions
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lib/redmine/hook.rb
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@ -27,7 +27,10 @@ module Redmine
# Adds a listener class.
# Automatically called when a class inherits from Redmine::Hook::Listener.
def add_listener(klass)
raise "Hooks must include Singleton module." unless klass.included_modules.include?(Singleton)
unless klass.included_modules.include?(Singleton)
raise "Hooks must include Singleton module."
end
@@listener_classes << klass
clear_listeners_instances
end