6 lines
276 B
Text
6 lines
276 B
Text
structure_notation_dep_mvars.lean:1:25: error: type mismatch at field 'pure_bind'
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?m_1
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has type
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∀ {α β : Type ?} (x : α) (f : α → list β), ?m_1 (?m_2 x) f = f x
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but is expected to have type
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∀ {α β : Type ?} (x : α) (f : α → list β), pure x >>= f = f x
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