RlpcError -> IsRlpcError

src/Core/HindleyMilner.hs

@@ -49,7 +49,7 @@ data TypeError
     deriving (Show, Eq)
 
 -- TODO:
-instance RlpcError TypeError where
+instance IsRlpcError TypeError where
 
 -- | Synonym for @Errorful [TypeError]@. This means an @HMError@ action may
 -- throw any number of fatal or nonfatal errors. Run with @runErrorful@.

src/Core/Lex.x

@@ -199,10 +199,10 @@ data ParseError = ParErrLexical String
                 deriving Show
 
 -- TODO:
-instance RlpcError SrcError where
+instance IsRlpcError SrcError where
 
 -- TODO:
-instance RlpcError ParseError where
+instance IsRlpcError ParseError where
 
 alexEOF :: Alex (Located CoreToken)
 alexEOF = Alex $ \ st@(AlexState { alex_pos = AlexPn _ y x }) ->