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{-# LANGUAGE OverloadedStrings #-}
import Control.Lens
import Network.Wreq
import qualified Network.Wreq.Session as S
main :: IO ()
main = S.withSession $ \sess -> do
-- Our first request causes the httpbin.org server to set a cookie
-- in its response.
S.get sess "http://httpbin.org/cookies/set?name=hi"
-- The session value manages both cookies and HTTP connection reuse
-- for us. When we issue the second request, it should
-- transparently reuse the same connection, and also send the
-- cookies that we set during the first request.
r2 <- S.post sess "http://httpbin.org/post" ["a" := (3 :: Int)]
-- And here's where we verify that the cookie is still set on the
-- second request.
print $ r2 ^. responseCookie "name" . cookieValue
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