From 59f038f3c025dcf2c44cda93054b3f36e72a6b12 Mon Sep 17 00:00:00 2001
From: Christian Sievers <chsievers@users.noreply.github.com>
Date: Sun, 18 Jan 2015 03:57:47 +0100
Subject: [PATCH] Added transformers to cabal file.

---
 chapter3/calc/calc.cabal | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/chapter3/calc/calc.cabal b/chapter3/calc/calc.cabal
index 5601f98..397f7a1 100644
--- a/chapter3/calc/calc.cabal
+++ b/chapter3/calc/calc.cabal
@@ -19,6 +19,7 @@ executable calc
     directory            >= 1.2 && <1.3,
     haskeline            >= 0.7 && <0.8,
     containers           >= 0.5 && <0.6,
-    parsec               >= 3.1 && <3.2
+    parsec               >= 3.1 && <3.2,
+    transformers         >= 0.4 && <0.5
   default-language:    Haskell2010
   main-is:             Main.hs