--- 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󥹥󥹡

    * ðۥ᥽åɤ֥

    ޤΥ֥ȤŪ˻ؤ֥Ȥʤɤ񤭽Ф
    ޤ㤨Сǥե֥ͤåä Hash  
    Proc Ū˻ؤƤ뤳Ȥˤʤޤ

        p Marshal.dump(Hash.new {})
        => -:1:in `dump': cannot dump hash with default proc (TypeError)

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

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

    ޡưǤդ뤳ȤǤޤܺ٤ϡ
    桼Marshal 򻲾ȤƤ

