Adding compiler warnings and optimizations.

Author: recursion-ninja

mono-traversable-keys.cabal

@@ -19,12 +19,7 @@ source-repository head
   location: https://github.com/recursion-ninja/mono-traversable-keys
 
 library
-  exposed-modules:
-      Data.MonoTraversable.Keys
-  other-modules:
-      Paths_mono_traversable_keys
-  hs-source-dirs:
-      src
+
   build-depends:
       array                >= 0.3.0.2 && < 1.0,
       base                 >= 4.5     && < 5.0,
@@ -46,4 +41,52 @@ library
       vector-algorithms    >= 0.6     && < 1.0,
       vector-instances     >= 3.4     && < 4.0
 
-  default-language: Haskell2010
+  default-language:
+      Haskell2010
+
+  exposed-modules:
+      Data.MonoTraversable.Keys
+
+  ghc-options:
+      -- Optimization flags
+      -O2
+      -fexpose-all-unfoldings
+      -foptimal-applicative-do
+      -fspecialize-aggressively
+      -- Usability flags
+      -fdiagnostics-color=always
+      -fhide-source-paths
+      -j
+      -- Sanity check warnings
+      -Wall
+      -Wcompat
+      -Wdodgy-foreign-imports
+      -Wduplicate-exports
+      -Wempty-enumerations
+      -Widentities
+      -Wincomplete-patterns
+      -Wincomplete-record-updates
+      -Wincomplete-uni-patterns
+      -Wmissing-fields
+      -Wmissing-home-modules
+      -Wmissing-monadfail-instances
+      -Wmissing-signatures
+      -Wnoncanonical-monadfail-instances
+      -Wnoncanonical-monad-instances
+      -Wnoncanonical-monoid-instances
+      -Woverflowed-literals
+      -Woverlapping-patterns
+      -Wredundant-constraints
+      -Wsemigroup
+      -Wtabs
+      -Wunrecognised-warning-flags
+      -Wunused-binds
+      -Wunused-do-bind
+      -Wunused-foralls
+      -Wunused-imports
+      -Wunused-matches
+      -Wwrong-do-bind
+
+  hs-source-dirs:
+      src
+