class Thor::Options

def parse(args)
  @pile = except_underscores(args.dup)
  while peek
    if current_is_switch?
      case shift
        when SHORT_SQ_RE
          unshift($1.split('').map { |f| "-#{f}" })
          next
        when EQ_RE, SHORT_NUM
          unshift($2)
          switch = $1
        when LONG_RE, SHORT_RE
          switch = $1
      end
      switch = normalize_switch(switch)
      option = switch_option(switch)
      @assigns[option.human_name] = parse_peek(switch, option)
    elsif current_is_switch_formatted?
      @unknown << shift
    else
      shift
    end
  end
  check_requirement!
  assigns = Thor::CoreExt::HashWithIndifferentAccess.new(@assigns)
  assigns.freeze
  assigns
end