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| author | John J. Camilleri <john@johnjcamilleri.com> | 2020-09-14 22:42:37 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-09-14 22:42:37 +0200 |
| commit | 6c54e5b63cb563d780843a1970cba0718a5203f8 (patch) | |
| tree | ed6777f6cb20f9212fa29ce68fac7e22745c707c /src/compiler/GF/Command/Commands.hs | |
| parent | bca0691cb028fe33ae1b77e71752d4e937490ff1 (diff) | |
| parent | 8bcdeedba01847325cc89378fed114bc0561bd4d (diff) | |
Merge pull request #71 from anka-213/fix-newer-cabal
Fix support for newer stackage snapshots
Diffstat (limited to 'src/compiler/GF/Command/Commands.hs')
| -rw-r--r-- | src/compiler/GF/Command/Commands.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/compiler/GF/Command/Commands.hs b/src/compiler/GF/Command/Commands.hs index 72e57fcf5..0e5c61404 100644 --- a/src/compiler/GF/Command/Commands.hs +++ b/src/compiler/GF/Command/Commands.hs @@ -34,6 +34,7 @@ import Data.Maybe import qualified Data.Map as Map import GF.Text.Pretty import Data.List (sort) +import qualified Control.Monad.Fail as Fail --import Debug.Trace @@ -44,7 +45,7 @@ pgfEnv pgf = Env pgf mos class (Functor m,Monad m,MonadSIO m) => HasPGFEnv m where getPGFEnv :: m PGFEnv -instance (Monad m,HasPGFEnv m) => TypeCheckArg m where +instance (Monad m,HasPGFEnv m,Fail.MonadFail m) => TypeCheckArg m where typeCheckArg e = (either (fail . render . ppTcError) (return . fst) . flip inferExpr e . pgf) =<< getPGFEnv |