diff options
Diffstat (limited to 'libraries/template-haskell/Language/Haskell')
| -rw-r--r-- | libraries/template-haskell/Language/Haskell/TH/PprLib.hs | 1 | ||||
| -rw-r--r-- | libraries/template-haskell/Language/Haskell/TH/Syntax.hs | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/libraries/template-haskell/Language/Haskell/TH/PprLib.hs b/libraries/template-haskell/Language/Haskell/TH/PprLib.hs index e398094fef..1a99207807 100644 --- a/libraries/template-haskell/Language/Haskell/TH/PprLib.hs +++ b/libraries/template-haskell/Language/Haskell/TH/PprLib.hs @@ -158,6 +158,7 @@ instance Applicative PprM where (<*>) = ap instance Monad PprM where + return = pure m >>= k = PprM $ \s -> let (x, s') = runPprM m s in runPprM (k x) s' diff --git a/libraries/template-haskell/Language/Haskell/TH/Syntax.hs b/libraries/template-haskell/Language/Haskell/TH/Syntax.hs index 607e6da92c..4d30a9df14 100644 --- a/libraries/template-haskell/Language/Haskell/TH/Syntax.hs +++ b/libraries/template-haskell/Language/Haskell/TH/Syntax.hs @@ -161,6 +161,7 @@ runQ (Q m) = m instance Monad Q where Q m >>= k = Q (m >>= \x -> unQ (k x)) (>>) = (*>) + return = pure fail s = report True s >> Q (fail "Q monad failure") instance Functor Q where |