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-rw-r--r--Network/RemoteData.hs29
1 files changed, 14 insertions, 15 deletions
diff --git a/Network/RemoteData.hs b/Network/RemoteData.hs
index 2fe6557..4114f02 100644
--- a/Network/RemoteData.hs
+++ b/Network/RemoteData.hs
@@ -1,30 +1,29 @@
-- | A port of Kris Jenkins' RemoteData Elm module
-- <https://github.com/krisajenkins/remotedata>.
---
module Network.RemoteData where
data RemoteData a b
- = NotAsked
- | Loading
- | Failure a
- | Success b
- deriving (Eq, Show)
+ = NotAsked
+ | Loading
+ | Failure a
+ | Success b
+ deriving (Eq, Show)
-- TODO figure out Http.Error
-- type WebData a = RemoteData Http.Error a
instance Functor (RemoteData a) where
- fmap _ NotAsked = NotAsked
- fmap _ Loading = Loading
- fmap _ (Failure a) = Failure a
- fmap f (Success a) = Success (f a)
+ fmap _ NotAsked = NotAsked
+ fmap _ Loading = Loading
+ fmap _ (Failure a) = Failure a
+ fmap f (Success a) = Success (f a)
instance Applicative (RemoteData e) where
- pure = Success
- NotAsked <*> _ = NotAsked
- Loading <*> _ = Loading
- Failure a <*> _ = Failure a
- Success a <*> b = fmap a b
+ pure = Success
+ NotAsked <*> _ = NotAsked
+ Loading <*> _ = Loading
+ Failure a <*> _ = Failure a
+ Success a <*> b = fmap a b
fromEither :: Either a b -> RemoteData a b
fromEither (Left a) = Failure a