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module List (listModules) where
import Control.Applicative
import Data.List
import GHC
import GHCApi
import Packages
import Types
import UniqFM
----------------------------------------------------------------
listModules :: Options -> IO String
listModules opt = convert opt . nub . sort <$> list opt
list :: Options -> IO [String]
list opt = withGHC $ do
initSession0 opt
getExposedModules <$> getSessionDynFlags
where
getExposedModules = map moduleNameString
. concatMap exposedModules
. eltsUFM . pkgIdMap . pkgState
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