--- Marshal.dump(obj[,port][,limit])

    obj ƵŪ˥ե˽񤭽Фޤե˽񤭽Фʤ
    ֥Ȥե˽񤭽ФȤ㳰 TypeError 
    ȯޤե˽񤭽Фʤ֥Ȥϰʲ̤Ǥ

    * ̾ΤĤƤʤ Module ֥ȡ(ξ
      ϡ㳰 ArgumentError ȯޤ̵̾饹ˤĤ
      ϡModule.new 򻲾ȡ)

    * ƥब֥Ȥξ֤ݻΡŪˤϰʲΥ
      󥹡Dir, File::Stat, IO ȤΥ֥饹 
      File, Socket ʤɡ

    * MatchData, Data, Method, UnboundMethod,
      Proc, Thread, ThreadGroup, Continuation
      Υ󥹥󥹡

    ޤΥ֥ȤŪ˻ؤ֥Ȥʤɤ񤭽Ф
    ޤ

    port ˤ IO(ޤϤΥ֥饹)Υ󥹥󥹤
    ޤξ硢port ֤ޤάˤ 
    dump ϤΥ֥Ȥפʸ֤ޤ

    Ϥ륪֥Ȥ᥽å `_dump' Ƥ
    ϡեϤϤΥ᥽åɤȤäƹԤޤ᥽å 
    `_dump' ϰȤƺƵ¤٥ limit 
    ꡢ֥Ȥʸ󲽤Τ֤ޤ

    󥹥󥹤᥽å `_dump' ĥ饹ɬƱե
    ޥåȤɤ᤹饹᥽å `_load' ɬפ
    ޤ`_load' ϥ֥Ȥɽʸꡢ
    򥪥֥ȤᤷΤ֤ɬפޤ

    limit ꤷ硢limit ʰʾ忼󥯤֥
    ȤפǤޤ(ǥեȤ 100 ٥) limit 
    ꤹȿåԤޤ

