Merge pull request #106 from ddellacosta/master
add all necessary derived instances to Haddock example
commit6af8474fdd6be4dc4ce4f04a389ed7ec957b32dc
authorMichael Xavier <michael@michaelxavier.net>
dateMon 25 Mar 2019, 08:13 (8 years ago)
parent160bf30fb8bb5c
katip/src/Katip.hs+1−1
@@ -44,7 +44,7 @@
4444--
4545-- newtype App m a = App {
4646-- unApp :: ReaderT Config m a
47−-- } deriving (Functor, Applicative, Monad) -- more instances as needed
47+-- } deriving (Functor, Applicative, Monad, MonadIO, MonadReader Config) -- these are necessary
4848--
4949--
5050-- -- These instances get even easier with lenses!