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T9662.hs:49:8: error: [GHC-25897]
• Couldn't match type ‘k’ with ‘Int’
Expected: Exp (((sh :. k) :. m) :. n)
-> Exp (((sh :. m) :. n) :. k)
Actual: Exp
(Tuple (((Atom a0 :. Atom Int) :. Atom Int) :. Atom Int))
-> Exp
(Plain (((Unlifted (Atom a0) :. Exp Int) :. Exp Int) :. Exp Int))
‘k’ is a rigid type variable bound by
the type signature for:
test :: forall sh k m n.
Shape (((sh :. k) :. m) :. n) -> Shape (((sh :. m) :. n) :. k)
at T9662.hs:46:1-50
• In the first argument of ‘backpermute’, namely
‘(modify
(atom :. atom :. atom :. atom)
(\ (sh :. k :. m :. n) -> (sh :. m :. n :. k)))’
In the expression:
backpermute
(modify
(atom :. atom :. atom :. atom)
(\ (sh :. k :. m :. n) -> (sh :. m :. n :. k)))
id
In an equation for ‘test’:
test
= backpermute
(modify
(atom :. atom :. atom :. atom)
(\ (sh :. k :. m :. n) -> (sh :. m :. n :. k)))
id
• Relevant bindings include
test :: Shape (((sh :. k) :. m) :. n)
-> Shape (((sh :. m) :. n) :. k)
(bound at T9662.hs:47:1)
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