diff options
Diffstat (limited to 'libraries/template-haskell/Language/Haskell/TH/PprLib.hs')
| -rw-r--r-- | libraries/template-haskell/Language/Haskell/TH/PprLib.hs | 1 |
1 files changed, 1 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' |