mode eq mode into a reader
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1 changed files with 118 additions and 102 deletions
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@ -12,24 +12,31 @@ private %inline
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ClashE : EqMode -> Elim d n -> Elim d n -> Error
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ClashE mode = ClashT mode `on` E
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public export
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CanEq : (Type -> Type) -> Type
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CanEq m = (MonadError Error m, MonadReader Definitions m)
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record Env where
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constructor MakeEnv
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defs : Definitions
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mode : EqMode
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parameters {auto _ : CanEq m}
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parameters {auto _ : MonadError Error m} {auto _ : MonadReader Env m}
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private %inline
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clashT : EqMode -> Term d n -> Term d n -> m a
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clashT mode = throwError .: ClashT mode
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mode : m EqMode
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mode = asks mode
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private %inline
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clashE : EqMode -> Elim d n -> Elim d n -> m a
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clashE mode = throwError .: ClashE mode
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clashT : Term d n -> Term d n -> m a
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clashT s t = throwError $ ClashT !mode s t
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private %inline
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clashE : Elim d n -> Elim d n -> m a
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clashE e f = throwError $ ClashE !mode e f
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private %inline
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defE : Name -> m (Maybe (Elim d n))
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defE x = asks $ \defs => do
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g <- lookup x defs
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defE x = asks $ \env => do
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g <- lookup x env.defs
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pure $ (!g.term).def :# g.type.def
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private %inline
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@ -37,136 +44,145 @@ parameters {auto _ : CanEq m}
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defT x = map E <$> defE x
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export %inline
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compareU' : EqMode -> Universe -> Universe -> Bool
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compareU' = \case Equal => (==); Sub => (<=)
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compareU' : Universe -> Universe -> m Bool
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compareU' i j = pure $
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case !mode of Equal => i == j; Sub => i <= j
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export %inline
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compareU : EqMode -> Universe -> Universe -> m ()
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compareU mode k l = unless (compareU' mode k l) $
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throwError $ ClashU mode k l
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compareU : Universe -> Universe -> m ()
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compareU k l = unless !(compareU' k l) $
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throwError $ ClashU !mode k l
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mutual
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private covering
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compareTN' : EqMode ->
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(s, t : Term 0 n) ->
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compareTN' : (s, t : Term 0 n) ->
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(0 _ : NotRedexT s) -> (0 _ : NotRedexT t) -> m ()
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compareTN' mode (E e) (E f) ps pt = compareE0 mode e f
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compareTN' (E e) (E f) ps pt = compareE0 e f
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-- if either term is a def, try to unfold it
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compareTN' mode s@(E (F x)) t ps pt = do
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Just s' <- defT x | Nothing => clashT mode s t
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compareT0 mode s' t
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compareTN' mode s t@(E (F y)) ps pt = do
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Just t' <- defT y | Nothing => clashT mode s t
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compareT0 mode s t'
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compareTN' mode s@(E _) t _ _ = clashT mode s t
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compareTN' s@(E (F x)) t ps pt = do
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Just s' <- defT x | Nothing => clashT s t
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compareT0 s' t
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compareTN' s t@(E (F y)) ps pt = do
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Just t' <- defT y | Nothing => clashT s t
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compareT0 s t'
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compareTN' s@(E _) t _ _ = clashT s t
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compareTN' mode (TYPE k) (TYPE l) _ _ = compareU mode k l
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compareTN' mode s@(TYPE _) t _ _ = clashT mode s t
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compareTN' (TYPE k) (TYPE l) _ _ = compareU k l
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compareTN' s@(TYPE _) t _ _ = clashT s t
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compareTN' mode (Pi qty1 _ arg1 res1) (Pi qty2 _ arg2 res2) _ _ = do
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compareTN' (Pi qty1 _ arg1 res1) (Pi qty2 _ arg2 res2) _ _ = do
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unless (qty1 == qty2) $ throwError $ ClashQ qty1 qty2
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compareT0 mode arg2 arg1 -- reversed for contravariant domain
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compareTS0 mode res1 res2
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compareTN' mode s@(Pi {}) t _ _ = clashT mode s t
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compareT0 arg2 arg1 -- reversed for contravariant domain
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compareTS0 res1 res2
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compareTN' s@(Pi {}) t _ _ = clashT s t
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-- [todo] eta
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compareTN' _ (Lam _ body1) (Lam _ body2) _ _ =
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compareTS0 Equal body1 body2
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compareTN' mode s@(Lam {}) t _ _ = clashT mode s t
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compareTN' (Lam _ body1) (Lam _ body2) _ _ =
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local {mode := Equal} $ compareTS0 body1 body2
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compareTN' s@(Lam {}) t _ _ = clashT s t
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compareTN' _ (CloT {}) _ ps _ = void $ ps IsCloT
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compareTN' _ (DCloT {}) _ ps _ = void $ ps IsDCloT
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compareTN' (CloT {}) _ ps _ = void $ ps IsCloT
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compareTN' (DCloT {}) _ ps _ = void $ ps IsDCloT
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private covering
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compareEN' : EqMode ->
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(e, f : Elim 0 n) ->
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compareEN' : (e, f : Elim 0 n) ->
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(0 _ : NotRedexE e) -> (0 _ : NotRedexE f) -> m ()
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compareEN' mode e@(F x) f@(F y) _ _ =
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compareEN' e@(F x) f@(F y) _ _ =
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if x == y then pure () else
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case (!(defE x), !(defE y)) of
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(Nothing, Nothing) => clashE mode e f
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(s', t') => compareE0 mode (fromMaybe e s') (fromMaybe f t')
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compareEN' mode e@(F x) f _ _ = do
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Just e' <- defE x | Nothing => clashE mode e f
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compareE0 mode e' f
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compareEN' mode e f@(F y) _ _ = do
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Just f' <- defE y | Nothing => clashE mode e f
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compareE0 mode e f'
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(Nothing, Nothing) => clashE e f
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(s', t') => compareE0 (fromMaybe e s') (fromMaybe f t')
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compareEN' e@(F x) f _ _ = do
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Just e' <- defE x | Nothing => clashE e f
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compareE0 e' f
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compareEN' e f@(F y) _ _ = do
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Just f' <- defE y | Nothing => clashE e f
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compareE0 e f'
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compareEN' mode e@(B i) f@(B j) _ _ =
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unless (i == j) $ clashE mode e f
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compareEN' mode e@(B _) f _ _ = clashE mode e f
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compareEN' e@(B i) f@(B j) _ _ =
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unless (i == j) $ clashE e f
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compareEN' e@(B _) f _ _ = clashE e f
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-- [todo] tracking variance of functions? maybe???
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-- probably not
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compareEN' _ (fun1 :@ arg1) (fun2 :@ arg2) _ _ = do
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compareE0 Equal fun1 fun2
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compareT0 Equal arg1 arg2
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compareEN' mode e@(_ :@ _) f _ _ = clashE mode e f
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compareEN' (fun1 :@ arg1) (fun2 :@ arg2) _ _ =
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local {mode := Equal} $ do
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compareE0 fun1 fun2
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compareT0 arg1 arg2
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compareEN' e@(_ :@ _) f _ _ = clashE e f
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-- [todo] is always checking the types are equal correct?
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compareEN' mode (tm1 :# ty1) (tm2 :# ty2) _ _ = do
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compareT0 mode tm1 tm2
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compareT0 Equal ty1 ty2
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compareEN' mode e@(_ :# _) f _ _ = clashE mode e f
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compareEN' (tm1 :# ty1) (tm2 :# ty2) _ _ = do
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compareT0 tm1 tm2
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local {mode := Equal} $ compareT0 ty1 ty2
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compareEN' e@(_ :# _) f _ _ = clashE e f
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compareEN' _ (CloE {}) _ pe _ = void $ pe IsCloE
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compareEN' _ (DCloE {}) _ pe _ = void $ pe IsDCloE
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compareEN' (CloE {}) _ pe _ = void $ pe IsCloE
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compareEN' (DCloE {}) _ pe _ = void $ pe IsDCloE
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private covering %inline
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compareTN : EqMode -> NonRedexTerm 0 n -> NonRedexTerm 0 n -> m ()
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compareTN mode s t = compareTN' mode s.fst t.fst s.snd t.snd
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compareTN : NonRedexTerm 0 n -> NonRedexTerm 0 n -> m ()
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compareTN s t = compareTN' s.fst t.fst s.snd t.snd
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private covering %inline
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compareEN : EqMode -> NonRedexElim 0 n -> NonRedexElim 0 n -> m ()
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compareEN mode e f = compareEN' mode e.fst f.fst e.snd f.snd
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compareEN : NonRedexElim 0 n -> NonRedexElim 0 n -> m ()
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compareEN e f = compareEN' e.fst f.fst e.snd f.snd
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export covering %inline
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compareT : EqMode -> DimEq d -> Term d n -> Term d n -> m ()
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compareT mode eqs s t =
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for_ (splits eqs) $ \th => compareT0 mode (s /// th) (t /// th)
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compareT : DimEq d -> Term d n -> Term d n -> m ()
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compareT eqs s t =
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for_ (splits eqs) $ \th => compareT0 (s /// th) (t /// th)
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export covering %inline
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compareE : EqMode -> DimEq d -> Elim d n -> Elim d n -> m ()
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compareE mode eqs e f =
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for_ (splits eqs) $ \th => compareE0 mode (e /// th) (f /// th)
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compareE : DimEq d -> Elim d n -> Elim d n -> m ()
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compareE eqs e f =
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for_ (splits eqs) $ \th => compareE0 (e /// th) (f /// th)
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export covering %inline
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compareT0 : EqMode -> Term 0 n -> Term 0 n -> m ()
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compareT0 mode s t = compareTN mode (whnfT s) (whnfT t)
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compareT0 : Term 0 n -> Term 0 n -> m ()
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compareT0 s t = compareTN (whnfT s) (whnfT t)
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export covering %inline
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compareE0 : EqMode -> Elim 0 n -> Elim 0 n -> m ()
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compareE0 mode e f = compareEN mode (whnfE e) (whnfE f)
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compareE0 : Elim 0 n -> Elim 0 n -> m ()
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compareE0 e f = compareEN (whnfE e) (whnfE f)
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export covering %inline
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compareTS0 : EqMode -> ScopeTerm 0 n -> ScopeTerm 0 n -> m ()
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compareTS0 mode (TUnused body1) (TUnused body2) =
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compareT0 mode body1 body2
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compareTS0 mode body1 body2 =
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compareT0 mode (fromScopeTerm body1) (fromScopeTerm body2)
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compareTS0 : ScopeTerm 0 n -> ScopeTerm 0 n -> m ()
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compareTS0 (TUnused body1) (TUnused body2) =
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compareT0 body1 body2
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compareTS0 body1 body2 =
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compareT0 (fromScopeTerm body1) (fromScopeTerm body2)
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parameters {auto _ : MonadError Error m} {auto _ : MonadReader Definitions m}
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private %inline
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into : EqMode ->
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(forall n. MonadError Error n => MonadReader Env n =>
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DimEq d -> a -> a -> n ()) ->
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DimEq d -> a -> a -> m ()
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into mode f eqs a b =
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runReaderT {m} (MakeEnv {mode, defs = !ask}) $ f eqs a b
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export covering %inline
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equalTWith : DimEq d -> Term d n -> Term d n -> m ()
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equalTWith = compareT Equal
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equalTWith = into Equal compareT
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export covering %inline
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equalEWith : DimEq d -> Elim d n -> Elim d n -> m ()
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equalEWith = compareE Equal
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equalEWith = into Equal compareE
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export covering %inline
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subTWith : DimEq d -> Term d n -> Term d n -> m ()
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subTWith = compareT Sub
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subTWith = into Sub compareT
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export covering %inline
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subEWith : DimEq d -> Elim d n -> Elim d n -> m ()
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subEWith = compareE Sub
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subEWith = into Sub compareE
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export covering %inline
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