# File lib/ruby2ruby.rb, line 334
  def process_dasgn_curr(exp)
    lhs = exp.shift.to_s
    rhs = exp.shift rescue nil
    return lhs if rhs.nil?
    return "#{lhs} = #{process rhs}" unless rhs.first == :dasgn_curr

    # keep recursing. ensure that the leaf node assigns to _something_
    rhs = process rhs
    if rhs =~ /=/ then
      "#{lhs} = #{rhs}"
    else
      ""
    end
  end