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-rw-r--r--compiler/utils/Binary.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/utils/Binary.hs b/compiler/utils/Binary.hs
index cbfec74cff..11f3b12317 100644
--- a/compiler/utils/Binary.hs
+++ b/compiler/utils/Binary.hs
@@ -146,11 +146,11 @@ class Binary a where
-- define one of put_, put. Use of put_ is recommended because it
-- is more likely that tail-calls can kick in, and we rarely need the
-- position return value.
- put_ bh a = do put bh a; return ()
+ put_ bh a = do _ <- put bh a; return ()
put bh a = do p <- tellBin bh; put_ bh a; return p
putAt :: Binary a => BinHandle -> Bin a -> a -> IO ()
-putAt bh p x = do seekBin bh p; put bh x; return ()
+putAt bh p x = do seekBin bh p; put_ bh x; return ()
getAt :: Binary a => BinHandle -> Bin a -> IO a
getAt bh p = do seekBin bh p; get bh