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-rw-r--r--programs/FormDemo.hs3
1 files changed, 3 insertions, 0 deletions
diff --git a/programs/FormDemo.hs b/programs/FormDemo.hs
index 3a1209b..5f5bac4 100644
--- a/programs/FormDemo.hs
+++ b/programs/FormDemo.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE OverloadedStrings #-}
module Main where
@@ -5,7 +6,9 @@ module Main where
import qualified Data.Text as T
import Lens.Micro ((^.))
import Lens.Micro.TH
+#if !(MIN_VERSION_base(4,11,0))
import Data.Monoid ((<>))
+#endif
import qualified Graphics.Vty as V
import Brick