execute

# File lib/rake/task.rb, line 190
    def execute(args=nil)
      args ||= EMPTY_TASK_ARGS
      if application.options.dryrun
        $stderr.puts "** Execute (dry run) #{name}"
        return
      end
      if application.options.trace
        $stderr.puts "** Execute #{name}"
      end
      application.enhance_with_matching_rule(name) if @actions.empty?
      @actions.each do |act|
        case act.arity
        when 1
          act.call(self)
        else
          act.call(self, args)
        end
      end
    end