forgot to expose new function, cabal enhancement

human-readable-duration.cabal

@@ -1,5 +1,5 @@
 name:                human-readable-duration
-version:             0.2.1.1
+version:             0.2.1.2
 synopsis:            Provide duration helper
 homepage:            https://gitlab.esy.fun/yogsototh/human-readable-duration#readme
 license:             BSD3
@@ -9,6 +9,9 @@ maintainer:          yann.esposito@gmail.com
 category:            Time
 build-type:          Simple
 cabal-version:       >=1.10
+extra-source-files:
+  README.md
+  stack.yaml
 description:
     This is a minimal Haskell library to display duration.
     .
@@ -28,6 +31,7 @@ library
                        Data.Duration.Tutorial
   build-depends:       base >= 4.7 && < 5
   default-language:    Haskell2010
+  ghc-options: -Wall -Wincomplete-uni-patterns -Wredundant-constraints -Wnoncanonical-monad-instances
 
 test-suite doctest
   type:                exitcode-stdio-1.0

src/Data/Duration.hs

@@ -16,6 +16,7 @@
 module Data.Duration
     ( humanReadableDuration
     , humanReadableDuration'
+    , approximativeDuration
     , Seconds
     -- durations
     , ms
@@ -33,7 +34,7 @@ module Data.Duration
     , getYears
     ) where
 
-import Data.Fixed (Fixed(..), Micro, div', mod')
+import           Data.Fixed (Fixed (..), Micro, div', mod')
 
 type Seconds = Micro