34bd6e8bfd
This PR improves the error messages produced by the `split` tactic, including suggesting syntax fixes and related tactics with which it might be confused. Note that, to avoid clashing with the new error message styling conventions used in these messages, this PR also updates the formatting of the message produced by `throwTacticEx`. Closes #6224
7 lines
234 B
Text
7 lines
234 B
Text
constructorTac.lean:6:23-6:34: error: Tactic `constructor` failed: no applicable constructor found
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n m : Nat
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⊢ Le n m
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constructorTac.lean:8:21-8:32: error: Tactic `constructor` failed: target is not an inductive datatype
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⊢ Type
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