# File lib/rake/application.rb, line 555
555:     def load_imports
556:       while fn = @pending_imports.shift
557:         next if @imported.member?(fn)
558:         if fn_task = lookup(fn)
559:           fn_task.invoke
560:         end
561:         ext = File.extname(fn)
562:         loader = @loaders[ext] || @default_loader
563:         loader.load(fn)
564:         @imported << fn
565:       end
566:     end