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Diffstat (limited to 'src/compiler/GF/Compile/GeneratePMCFG.hs')
| -rw-r--r-- | src/compiler/GF/Compile/GeneratePMCFG.hs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/GF/Compile/GeneratePMCFG.hs b/src/compiler/GF/Compile/GeneratePMCFG.hs index 0558715c6..ac90852f3 100644 --- a/src/compiler/GF/Compile/GeneratePMCFG.hs +++ b/src/compiler/GF/Compile/GeneratePMCFG.hs @@ -196,6 +196,9 @@ newtype CnvMonad a = CM {unCM :: SourceGrammar -> ([ProtoFCat],[Symbol]) -> Branch b} +instance MonadFail CnvMonad where + fail = bug + instance Applicative CnvMonad where pure = return (<*>) = ap |