diff options
Diffstat (limited to 'src/compiler/GF/Grammar')
| -rw-r--r-- | src/compiler/GF/Grammar/Lexer.x | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/compiler/GF/Grammar/Lexer.x b/src/compiler/GF/Grammar/Lexer.x index b3d271ddd..248d091a1 100644 --- a/src/compiler/GF/Grammar/Lexer.x +++ b/src/compiler/GF/Grammar/Lexer.x @@ -283,11 +283,11 @@ instance Functor P where fmap = liftA instance Applicative P where - pure = return + pure a = a `seq` (P $ \s -> POk s a) (<*>) = ap instance Monad P where - return a = a `seq` (P $ \s -> POk s a) + return = pure (P m) >>= k = P $ \ s -> case m s of POk s a -> unP (k a) s PFailed posn err -> PFailed posn err |