bloomfilter-blocked: enable warnings in every component

Author: jorisdral

bloomfilter-blocked/bench/bloomfilter-bench.hs

@@ -1,9 +1,8 @@
-module Main where
+module Main (main) where
 
 import           Criterion.Main (bench, bgroup, defaultMain, env, whnf)
 import qualified Data.BloomFilter.Blocked as B.Blocked
 import qualified Data.BloomFilter.Classic as B.Classic
-import           Data.BloomFilter.Hash (Hashable (..))
 import           Data.Word (Word64)
 import           System.Random (StdGen, newStdGen, uniform)
 

bloomfilter-blocked/bloomfilter-blocked.cabal

@@ -104,7 +104,7 @@ test-suite tests
     , tasty-quickcheck
 
 benchmark bench
-  import:         language
+  import:         language, warnings
   type:           exitcode-stdio-1.0
   hs-source-dirs: bench
   main-is:        bloomfilter-bench.hs
@@ -130,7 +130,7 @@ executable fpr-calc
   ghc-options:    -threaded
 
 executable spell
-  import:         language
+  import:         language, warnings
   scope:          private
   hs-source-dirs: examples
   main-is:        spell.hs
@@ -140,7 +140,7 @@ executable spell
 
 -- this exists due to windows
 library xxhash
-  import:          language
+  import:          language, warnings
   visibility:      private
   include-dirs:    xxhash/xxHash-0.8.2/ xxhash/include/
   includes:
@@ -162,7 +162,7 @@ library xxhash
     , primitive   ^>=0.9
 
 test-suite xxhash-tests
-  import:         language
+  import:         language, warnings
   type:           exitcode-stdio-1.0
   hs-source-dirs: xxhash/tests
   main-is:        xxhash-tests.hs

bloomfilter-blocked/examples/spell.hs

@@ -1,7 +1,7 @@
 {-# LANGUAGE BangPatterns #-}
 module Main (main) where
 
-import           Control.Monad (forM_, when)
+import           Control.Monad (forM_)
 import           System.Environment (getArgs)
 
 import qualified Data.BloomFilter as B

bloomfilter-blocked/xxhash/src/FFI.hs

@@ -19,7 +19,7 @@ module FFI (
 ) where
 
 import           Data.Word (Word32, Word64, Word8)
-import           Foreign.C.Types (CInt (..), CSize (..))
+import           Foreign.C.Types (CSize (..))
 import           Foreign.Ptr (Ptr)
 import           GHC.Exts (ByteArray#, MutableByteArray#)
 

bloomfilter-blocked/xxhash/src/XXH3.hs

@@ -18,12 +18,10 @@ module XXH3 (
     xxh3_64bit_update_w32,
 ) where
 
-import           Control.Monad (unless)
 import           Control.Monad.ST (ST)
 import           Control.Monad.ST.Unsafe (unsafeIOToST)
 import           Data.ByteString.Internal (ByteString (..),
                      accursedUnutterablePerformIO)
-import           Data.Coerce (coerce)
 import qualified Data.Primitive as P
 import           Data.Primitive.ByteArray (ByteArray (..))
 import           Data.Word (Word32, Word64)