Embed cabal package version in Haskell code

ExampleVersion.hs

module ExampleVersion where
{-
links:
http://stackoverflow.com/questions/9857710/haskell-correct-practice-to-specify-%5Cversion-in-source

Be sure to put Paths_packagename in your Other-Modules section of the cabal file.

-}

import Paths_mypackage (version) -- replace 'mypackage' with you nnn.cabal 'name' tag
import Data.Version (showVersion)

printVersion :: IO ()
printVersion = putStrLn (showVersion version)