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Diffstat (limited to 'compiler/utils/Pair.lhs')
| -rw-r--r-- | compiler/utils/Pair.lhs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/utils/Pair.lhs b/compiler/utils/Pair.lhs index 9e847d6950..ca7c2a7f8e 100644 --- a/compiler/utils/Pair.lhs +++ b/compiler/utils/Pair.lhs @@ -3,6 +3,8 @@ A simple homogeneous pair type with useful Functor, Applicative, and Traversable instances. \begin{code} +{-# LANGUAGE CPP #-} + module Pair ( Pair(..), unPair, toPair, swap ) where #include "HsVersions.h" |