From 6e43ea5fc362f110232550f9f7cca3c6fe79a4f2 Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Wed, 20 Oct 2010 21:12:29 +0200
Subject: [PATCH] Document caveat in setSession

---
 Yesod/Handler.hs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Yesod/Handler.hs b/Yesod/Handler.hs
index 08fa6341..3f9146c0 100644
--- a/Yesod/Handler.hs
+++ b/Yesod/Handler.hs
@@ -448,6 +448,9 @@ expiresAt = setHeader "Expires" . formatRFC1123
 -- The session is handled by the clientsession package: it sets an encrypted
 -- and hashed cookie on the client. This ensures that all data is secure and
 -- not tampered with.
+--
+-- Please note that the value you set here will not be available via
+-- 'getSession' until the /next/ request.
 setSession :: String -- ^ key
            -> String -- ^ value
            -> GHandler sub master ()