windows - Windows 8 上的 "InternalIOException getAddrInfo: does not exist (error 10093)"

Question

为什么这么简单的代码不起作用？

import Network.HTTP.Conduit
import qualified Data.ByteString.Lazy as L

main :: IO ()
main = simpleHttp "http://www.dir.bg/" >>= L.putStr

它会导致以下错误:

TestConduit.exe: InternalIOException getAddrInfo: does not exist (error 10093)

Answer 1

您必须使用withSocketsDo 来初始化套接字。像这样:

import Network.HTTP.Conduit
import qualified Data.ByteString.Lazy as L
import Network (withSocketsDo)

main :: IO ()
main = withSocketsDo
      $ simpleHttp "http://www.dir.bg/" >>= L.putStr