From 38b838eeb2bc9c150883b3f5e7f215697943296b Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Sun, 10 Mar 2019 19:51:11 +0100
Subject: Remove 'forget'

---
 src/Main.hs | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/src/Main.hs b/src/Main.hs
index d3898de..bcb1f00 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -46,8 +46,7 @@ data Context = Context { cStack :: [(Action, Env)], cBaseEnv :: Env }
 data Action = Action Cmd Name
   deriving (Show)
 
-data Cmd = CForget
-         | CRewrite Name
+data Cmd = CRewrite Name
          | CBeta
          | CEta
          | CCase
@@ -71,7 +70,6 @@ instance Pretty Action where
     pretty (Action cmd target) = "action " ++ target ++ " " ++ pretty cmd
 
 instance Pretty Cmd where
-    pretty CForget = "forget"
     pretty (CRewrite name) = "rew " ++ name
     pretty CBeta = "beta"
     pretty CEta = "eta"
@@ -105,9 +103,6 @@ repeatTrans f expr =
 
 apply :: Context -> Action -> Either String Context
 apply ctx act@(Action cmd target) = case cmd of
-    CForget -> do
-        env' <- forget (topEnv ctx) target
-        return $ pushCtx (act, env') ctx
     CRewrite name -> genTransform (\env -> liftM2 (,) (get env name) (get env target))
                                   (\(repl, expr) -> normalise $ rewrite name repl expr)
     CRepeat subcmd -> case exprTransformer subcmd of
@@ -205,7 +200,6 @@ parseCmd ["env"] = Right CShowEnv
 parseCmd ["focus"] = Right CUnFocus
 parseCmd ["focus", name] = Right (CFocus name)
 parseCmd ["log"] = Right CLog
-parseCmd ["forget"] = Right (UCCmd CForget)
 parseCmd ["rew", func] = Right (UCCmd (CRewrite func))
 parseCmd ["beta"] = Right (UCCmd CBeta)
 parseCmd ["eta"] = Right (UCCmd CEta)
-- 
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