0
使用Ruby UDPSocket
多态与IO
对象的最佳做法是什么?我正在写一个序列化类我的图书馆,并希望把网络套接字同为File
或StringIO
对象,UDPSocket
没有从IO
继承,但是当我尝试write_nonblock
,插座引发Errno::EDESTADDRREQ
:我该如何在IO中多态地使用Ruby UDPSocket?
2.4.1 :1 > require 'socket'
=> true
2.4.1 :2 > sock = UDPSocket.new
=> #<UDPSocket:fd 4>
2.4.1 :3 > sock.bind('127.0.0.1', 0)
=> 0
2.4.1 :4 > sock.write_nonblock 'nonblock'
Errno::EDESTADDRREQ: Destination address required
from <internal:prelude>:136:in `__write_nonblock'
from <internal:prelude>:136:in `write_nonblock'
from (irb):4
from /usr/local/rvm/rubies/ruby-2.4.1/bin/irb:11:in `<main>'