31 lines
598 B
Text
31 lines
598 B
Text
import Lean.Elab.Tactic.Basic
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/-!
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Kernel errors should not lead to follow-up errors but should be detectable using `#print axioms`.
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-/
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/-- error: (kernel) declaration has metavariables 'bad' -/
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#guard_msgs in
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def bad : Empty := by
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run_tac do Lean.Elab.Tactic.popMainGoal
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theorem zero_eq_one : 0 = 1 := bad.elim
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/--
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info: def bad : Empty :=
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?_uniq.4
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-/
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#guard_msgs in
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set_option pp.raw true in
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#print bad
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/--
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info: theorem zero_eq_one : 0 = 1 :=
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Empty.elim bad
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-/
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#guard_msgs in
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#print zero_eq_one
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/-- info: 'zero_eq_one' depends on axioms: [bad] -/
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#guard_msgs in
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#print axioms zero_eq_one
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