diff options
Diffstat (limited to 'src/compiler/GF/Infra/CheckM.hs')
| -rw-r--r-- | src/compiler/GF/Infra/CheckM.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/compiler/GF/Infra/CheckM.hs b/src/compiler/GF/Infra/CheckM.hs index b0d9f1221..c0234999a 100644 --- a/src/compiler/GF/Infra/CheckM.hs +++ b/src/compiler/GF/Infra/CheckM.hs @@ -32,6 +32,7 @@ import System.FilePath(makeRelative) import Control.Parallel.Strategies(parList,rseq,using) import Control.Monad(liftM,ap) import Control.Applicative(Applicative(..)) +import qualified Control.Monad.Fail as Fail type Message = Doc type Error = Message @@ -53,7 +54,7 @@ instance Monad Check where (ws,Success x) -> unCheck (g x) {-ctxt-} ws (ws,Fail msg) -> (ws,Fail msg) -instance MonadFail Check where +instance Fail.MonadFail Check where fail = raise instance Applicative Check where |