action_name (Exception)

    # File lib/merb-core/controller/exceptions.rb, line 33
      def self.action_name
        if self == Exception
          return nil unless Object.const_defined?(:Exceptions) &&
            Exceptions.method_defined?(:exception)
        end
        name = self.to_s.split('::').last.snake_case
        Object.const_defined?(:Exceptions) &&
          Exceptions.method_defined?(name) ? name : superclass.action_name
      end