From 684d9782d2c0282d2ebd11b72c42e13901fb6f5a Mon Sep 17 00:00:00 2001
From: Nick Smallbone <nick.smallbone@gmail.com>
Date: Fri, 10 Apr 2015 18:25:52 +0200
Subject: [PATCH] Make it build on GHC 7.10.

---
 src/Data/Union/ST.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Data/Union/ST.hs b/src/Data/Union/ST.hs
index 5512e47..914d68d 100644
--- a/src/Data/Union/ST.hs
+++ b/src/Data/Union/ST.hs
@@ -3,7 +3,7 @@
 --
 -- Authors: Bertram Felgenhauer
 
-{-# LANGUAGE RankNTypes, CPP #-}
+{-# LANGUAGE RankNTypes, CPP, FlexibleContexts #-}
 -- |
 -- Low-level interface for managing a disjoint set data structure, based on
 -- 'Control.Monad.ST'. For a higher level convenience interface, look at