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# Adds the 'around_level' method to Logger.
class Logger
def self.define_around_helper(level)
module_eval <<-end_eval
def around_#{level}(before_message, after_message, &block)
self.#{level}(before_message)
return_value = block.call(self)
self.#{level}(after_message)
return return_value
end
end_eval
end
[:debug, :info, :error, :fatal].each {|level| define_around_helper(level) }
end
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