cleanup

1 files changed, 6 insertions, 4 deletions

diff --git a/src/Sequence/Formula.hs b/src/Sequence/Formula.hs
index 2a4541f..fc61efb 100644
--- a/src/Sequence/Formula.hs
+++ b/src/Sequence/Formula.hs
@@ -1,7 +1,7 @@
 {-# LANGUAGE RecordWildCards, RankNTypes, TypeSynonymInstances, FlexibleInstances, MultiParamTypeClasses, ViewPatterns, TypeFamilies #-}
 
 module Sequence.Formula
-  ( FormulaM
+  ( FormulaM, Formula
   , evalFormula
   , val
   , d, z
@@ -28,8 +28,10 @@ import Data.Maybe
 
 type FormulaM input a = ReaderT input (ExceptT (Question input) EventM) a
 
+type Formula input = Formulam input Int
+
 data Question input = Question
-                      { answer :: Traversal' input (FormulaM input Int)
+                      { answer :: Traversal' input (Formula input)
                       , prompt :: String
                       , keepResult :: Bool
                       }
@@ -57,10 +59,10 @@ evalFormula = evalFormula' []
         Left q@(Question{..}) -> askQuestion input q >>= flip (evalFormula' $ bool (pure . set answer $ throwError q) mempty keepResult ++ finalChanges) formula
         Right result -> return (foldr ($) input finalChanges, result)
 
-val :: Integral a => Traversal' input (FormulaM input Int) -> String -> Bool -> FormulaM input Int
+val :: Integral a => Traversal' input (Formula input) -> String -> Bool -> Formula input
 val answer prompt keepResult = preview answer >>= maybe (throwError Question{..}) id
 
--- viewL :: Lens' lInput sInput -> Iso' (FormulaM sInput a) (FormulaM lInput a)
+-- viewL :: Lens' lInput sInput -> Prism' (FormulaM sInput a) (FormulaM lInput a)
 -- viewL lTrav = iso asL asS
 --   where
 --     asL small = join $ lift . withExceptT (\Question{..} -> Question{ answer = lTrav . answer . viewL lTrav, .. }) . runReaderT small <$> view lTrav