# File lib/sass/tree/visitors/perform.rb, line 78
  def visit_each(node)
    list = node.list.perform(@environment)

    with_environment Sass::Environment.new(@environment) do
      list.to_a.map do |v|
        @environment.set_local_var(node.var, v)
        node.children.map {|c| visit(c)}
      end.flatten
    end
  end