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23 lines
540 B
Plaintext
23 lines
540 B
Plaintext
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1/1: Building WithClause (WithClause.idr)
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Error: While processing left hand side of with block in pred. When unifying:
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IsS (S ?dotTm)
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and:
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IsS ?n
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Pattern variable n unifies with: S ?dotTm.
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WithClause:2:25--2:28
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1 | data IsS : Nat -> Type where
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2 | S : (n : Nat) -> IsS (S n)
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^^^
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WithClause:11:3--11:4
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07 |
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08 | pred : Nat -> Nat
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09 | pred n with (isS n)
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10 | _ | Nothing = Z
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11 | _ | Just (S n) = n
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^
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Suggestion: Use the same name for both pattern variables, since they unify.
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