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tcfail068.hs:14:9:
Couldn't match type ‘s1’ with ‘s’
‘s1’ is a rigid type variable bound by
a type expected by the context: GHC.ST.ST s1 (IndTree s a)
at tcfail068.hs:13:9
‘s’ is a rigid type variable bound by
the type signature for
itgen :: Constructed a => (Int, Int) -> a -> IndTree s a
at tcfail068.hs:11:10
Expected type: GHC.ST.ST s1 (IndTree s a)
Actual type: GHC.ST.ST s1 (STArray s1 (Int, Int) a)
Relevant bindings include
itgen :: (Int, Int) -> a -> IndTree s a
(bound at tcfail068.hs:12:1)
In the first argument of ‘runST’, namely
‘(newSTArray ((1, 1), n) x)’
In the expression: runST (newSTArray ((1, 1), n) x)
tcfail068.hs:19:21:
Couldn't match type ‘s’ with ‘s1’
‘s’ is a rigid type variable bound by
the type signature for
itiap :: Constructed a =>
(Int, Int) -> (a -> a) -> IndTree s a -> IndTree s a
at tcfail068.hs:16:10
‘s1’ is a rigid type variable bound by
a type expected by the context: GHC.ST.ST s1 (IndTree s a)
at tcfail068.hs:18:9
Expected type: STArray s1 (Int, Int) a
Actual type: IndTree s a
Relevant bindings include
arr :: IndTree s a (bound at tcfail068.hs:17:11)
itiap :: (Int, Int) -> (a -> a) -> IndTree s a -> IndTree s a
(bound at tcfail068.hs:17:1)
In the first argument of ‘readSTArray’, namely ‘arr’
In the first argument of ‘(>>=)’, namely ‘readSTArray arr i’
tcfail068.hs:24:36:
Couldn't match type ‘s’ with ‘s1’
‘s’ is a rigid type variable bound by
the type signature for
itrap :: Constructed a =>
((Int, Int), (Int, Int)) -> (a -> a) -> IndTree s a -> IndTree s a
at tcfail068.hs:23:10
‘s1’ is a rigid type variable bound by
a type expected by the context: GHC.ST.ST s1 (IndTree s a)
at tcfail068.hs:24:29
Expected type: GHC.ST.ST s1 (IndTree s a)
Actual type: GHC.ST.ST s (IndTree s a)
Relevant bindings include
itrap' :: Int -> Int -> GHC.ST.ST s (IndTree s a)
(bound at tcfail068.hs:26:9)
itrapsnd :: Int -> Int -> GHC.ST.ST s (IndTree s a)
(bound at tcfail068.hs:29:9)
arr :: IndTree s a (bound at tcfail068.hs:24:23)
itrap :: ((Int, Int), (Int, Int))
-> (a -> a) -> IndTree s a -> IndTree s a
(bound at tcfail068.hs:24:1)
In the first argument of ‘runST’, namely ‘(itrap' i k)’
In the expression: runST (itrap' i k)
tcfail068.hs:36:46:
Couldn't match type ‘s’ with ‘s1’
‘s’ is a rigid type variable bound by
the type signature for
itrapstate :: Constructed b =>
((Int, Int), (Int, Int))
-> (a -> b -> (a, b))
-> ((Int, Int) -> c -> a)
-> (a -> c)
-> c
-> IndTree s b
-> (c, IndTree s b)
at tcfail068.hs:34:15
‘s1’ is a rigid type variable bound by
a type expected by the context: GHC.ST.ST s1 (c, IndTree s b)
at tcfail068.hs:36:40
Expected type: GHC.ST.ST s1 (c, IndTree s b)
Actual type: GHC.ST.ST s (c, IndTree s b)
Relevant bindings include
itrapstate' :: Int -> Int -> c -> GHC.ST.ST s (c, IndTree s b)
(bound at tcfail068.hs:38:9)
itrapstatesnd :: Int -> Int -> c -> GHC.ST.ST s (c, IndTree s b)
(bound at tcfail068.hs:41:9)
arr :: IndTree s b (bound at tcfail068.hs:36:34)
itrapstate :: ((Int, Int), (Int, Int))
-> (a -> b -> (a, b))
-> ((Int, Int) -> c -> a)
-> (a -> c)
-> c
-> IndTree s b
-> (c, IndTree s b)
(bound at tcfail068.hs:36:1)
In the first argument of ‘runST’, namely ‘(itrapstate' i k s)’
In the expression: runST (itrapstate' i k s)
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