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
51 lines
1.5 KiB
Text
51 lines
1.5 KiB
Text
opaque q : Nat → Nat
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def f (x : Nat) : Nat :=
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match x with
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| 0 => 1
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| x+1 => q (f x)
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theorem f_eq : f (x + 1) = q (f x) := rfl
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set_option trace.Meta.debug true
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/--
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trace: [diag] Diagnostics
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[reduction] unfolded declarations (max: 15, num: 6):
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[reduction] Nat.rec ↦ 15
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[reduction] Add.add ↦ 10
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[reduction] HAdd.hAdd ↦ 10
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[reduction] Nat.add ↦ 10
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[reduction] f ↦ 5
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[reduction] OfNat.ofNat ↦ 5
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[reduction] unfolded instances (max: 5, num: 1):
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[reduction] instOfNatNat ↦ 5
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[reduction] unfolded reducible declarations (max: 15, num: 1):
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[reduction] Nat.casesOn ↦ 15
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use `set_option diagnostics.threshold <num>` to control threshold for reporting counters
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-/
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#guard_msgs in
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example : f (x + 5) = q (q (q (q (q (f x))))) :=
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set_option diagnostics.threshold 4 in
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set_option diagnostics true in
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rfl
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/--
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trace: [diag] Diagnostics
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[reduction] unfolded declarations (max: 15, num: 6):
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[reduction] Nat.rec ↦ 15
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[reduction] Add.add ↦ 10
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[reduction] HAdd.hAdd ↦ 10
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[reduction] Nat.add ↦ 10
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[reduction] f ↦ 5
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[reduction] OfNat.ofNat ↦ 5
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[reduction] unfolded instances (max: 5, num: 1):
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[reduction] instOfNatNat ↦ 5
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[reduction] unfolded reducible declarations (max: 15, num: 1):
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[reduction] Nat.casesOn ↦ 15
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use `set_option diagnostics.threshold <num>` to control threshold for reporting counters
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-/
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#guard_msgs in
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example : f (x + 5) = q (q (q (q (q (f x))))) := by
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set_option diagnostics.threshold 4 in
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set_option diagnostics true in
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rfl
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