Rebol 编程/req-dir

REQ-DIR 是一个值对象

  dirs      block!  length: 0
  max-dirs    integer! 0
  cnt       integer! 0
  path      none!   none
  last-path    none!   none
  f-name     none!   none
  f-list     none!   none
  f-txt      none!   none
  f-slid     none!   none
  f-path     none!   none
  f-title     none!   none
  result     none!   none
  show-dir    function! []
  chg-dir     function! [file]
  back-dir    function! []
  dirout     block!  length: 68