0e49576fe4
This PR makes `#guard_msgs` to treat `trace` messages separate from `info`, `warning` and `error`. It also introduce the ability to say `#guard_msgs (pass info`, like `(drop info)` so far, and also adds `(check info)` as the explicit form of `(info)`, for completeness. Fixes #8266
24 lines
389 B
Text
24 lines
389 B
Text
/-!
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# Tests for the `have` tactic.
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-/
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/-!
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If the body of a `have` fails to elaborate, the tactic completes with a `sorry` for the proof.
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-/
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/--
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error: type mismatch
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False.elim
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has type
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False → ?m.6 : Sort ?u.5
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but is expected to have type
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True : Prop
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---
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trace: h : True
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⊢ True
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-/
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#guard_msgs in
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example : True := by
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have h : True :=
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False.elim
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trace_state
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assumption
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