amethyst Defer_Acts < Traverser_Clone2 {
  visit = Seq[ {[]}:ary .:a {a}=>locals:b {ary<< [a,b]} ] { 
    permuted=[]
    ary=ary.reverse
    ary.size.times{|k|
      r=k.times{
        if ary[k][0].is_a?(Bind) && ary[k][1].is_a?(
        break :brk
        end
      }
      permuted<<ary[k]
    }
    Seq[permuted.map{|a,b| a}.reverse]
  }

}

amethyst Detect_Locals < Traverser_Clone2 {
}