Merge pull request #22 from dylex/master

Restrict Promise.then' not to change failure type

Author: dylex

MODULE.md

@@ -707,7 +707,7 @@
 
     pureResolve :: forall a b. b -> Promise a b
 
-    then' :: forall a b c d. (b -> Promise c d) -> Promise a b -> Promise c d
+    then' :: forall a b c. (b -> Promise a c) -> Promise a b -> Promise a c
 
     then'' :: forall a b c d. (b -> Promise c d) -> (a -> Promise c d) -> Promise a b -> Promise c d
 

src/Angular/Promise.purs

@@ -58,7 +58,7 @@ foreign import thenFn'
   \ } "
   :: forall a b c d. Fn2 (b -> Promise c d) (Promise a b) (Promise c d)
 
-then' :: forall a b c d. (b -> Promise c d) -> Promise a b -> Promise c d
+then' :: forall a b c. (b -> Promise a c) -> Promise a b -> Promise a c
 then' = runFn2 thenFn'
 
 foreign import thenFn''