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| author | Fumiaki Kinoshita <fumiexcel@gmail.com> | 2020-07-15 21:12:07 +0900 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2020-10-14 18:06:12 -0400 |
| commit | e60ae8a38394370fd8818ad004a101466fc7d2dc (patch) | |
| tree | 6eff280150db65ae373aba5d50f550180b99983b /testsuite/tests/deriving | |
| parent | bf2411a3c198cb2df93a9e0aa0c3b8297f47058d (diff) | |
| download | haskell-e60ae8a38394370fd8818ad004a101466fc7d2dc.tar.gz | |
Add -Wnoncanonical-{monad,monoid}-instances to standardWarnings
-------------------------
Metric Decrease:
T12425
Metric Increase:
T17516
-------------------------
Diffstat (limited to 'testsuite/tests/deriving')
| -rw-r--r-- | testsuite/tests/deriving/should_compile/drv020.hs | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/testsuite/tests/deriving/should_compile/drv020.hs b/testsuite/tests/deriving/should_compile/drv020.hs index bd5c8f4235..fc1f953715 100644 --- a/testsuite/tests/deriving/should_compile/drv020.hs +++ b/testsuite/tests/deriving/should_compile/drv020.hs @@ -22,11 +22,10 @@ instance Functor (State s) where fmap = liftM instance Applicative (State s) where - pure = return + pure a = State $ \s -> (a, s) (<*>) = ap instance Monad (State s) where - return a = State $ \s -> (a, s) m >>= k = State $ \s -> let (a, s') = runState m s in runState (k a) s' |