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authorJoe Crayne <joe@jerkface.net>2018-12-16 13:51:02 -0500
committerJoe Crayne <joe@jerkface.net>2018-12-16 14:08:27 -0500
commit688450c2d9998db7b4389dc9642d219774c23857 (patch)
tree69933330ad0baba2eb115d70d1e63cb085664ea1 /Presence/Chat.hs
parent8a72757ae66f6ec013b8f3443aea6f3266a2ab26 (diff)
More TCP work.
Diffstat (limited to 'Presence/Chat.hs')
-rw-r--r--Presence/Chat.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/Presence/Chat.hs b/Presence/Chat.hs
index b7343b5a..883f40ea 100644
--- a/Presence/Chat.hs
+++ b/Presence/Chat.hs
@@ -46,6 +46,8 @@ data MembershipEffect = MembershipEffect { fromMembership :: Membership
46 | InvalidMembershipEffect 46 | InvalidMembershipEffect
47 deriving (Eq,Ord,Read,Show) 47 deriving (Eq,Ord,Read,Show)
48 48
49instance Semigroup MembershipEffect
50
49instance Monoid MembershipEffect where 51instance Monoid MembershipEffect where
50 mempty = NoMembershipEffect 52 mempty = NoMembershipEffect
51 MembershipEffect a x `mappend` MembershipEffect y b 53 MembershipEffect a x `mappend` MembershipEffect y b