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Diffstat (limited to 'libraries/base/GHC/Weak.lhs')
| -rw-r--r-- | libraries/base/GHC/Weak.lhs | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/libraries/base/GHC/Weak.lhs b/libraries/base/GHC/Weak.lhs index e3109e1e7f..b3ae376f33 100644 --- a/libraries/base/GHC/Weak.lhs +++ b/libraries/base/GHC/Weak.lhs @@ -1,7 +1,6 @@ \begin{code} {-# LANGUAGE Unsafe #-} -{-# LANGUAGE CPP - , NoImplicitPrelude +{-# LANGUAGE NoImplicitPrelude , BangPatterns , MagicHash , UnboxedTuples @@ -95,10 +94,7 @@ finalizer to the box itself fails when the outer box is optimised away by the compiler. -} -data Weak v = Weak (Weak# v) - -#include "Typeable.h" -INSTANCE_TYPEABLE1(Weak,weakTc,"Weak") +data Weak v = Weak (Weak# v) deriving Typeable -- | Establishes a weak pointer to @k@, with value @v@ and a finalizer. -- |