safe rails for replacement. on runtime error, reports error and object, does not brake the application

gistfile1.txt

  def sfor(list, &block)
    for el in list
      begin
        yield(el)
      rescue
        concat(%[<div style="background-color:#fdd; padding:4px; border:1px solid #ccc;"><ul><li>Object: #{}#{el.as_link rescue '-'} (#{el.class.name})</li><li>Error: #{$!}</li></ul></div>])
      end
    end
  end