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tcfail016.hs:9:20:
Couldn't match type ‛(t, Expr t)’ with ‛Expr t’
Expected type: Expr t
Actual type: AnnExpr t
Relevant bindings include
g :: Expr t -> [[Char]] (bound at tcfail016.hs:8:1)
e1 :: AnnExpr t (bound at tcfail016.hs:9:8)
e2 :: AnnExpr t (bound at tcfail016.hs:9:11)
In the first argument of ‛g’, namely ‛e1’
In the first argument of ‛(++)’, namely ‛(g e1)’
In the expression: (g e1) ++ (g e2)
tcfail016.hs:9:28:
Couldn't match type ‛(t, Expr t)’ with ‛Expr t’
Expected type: Expr t
Actual type: AnnExpr t
Relevant bindings include
g :: Expr t -> [[Char]] (bound at tcfail016.hs:8:1)
e1 :: AnnExpr t (bound at tcfail016.hs:9:8)
e2 :: AnnExpr t (bound at tcfail016.hs:9:11)
In the first argument of ‛g’, namely ‛e2’
In the second argument of ‛(++)’, namely ‛(g e2)’
In the expression: (g e1) ++ (g e2)
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