lean4-htt/tests/lean/run/grind_warn_param.lean
Leonardo de Moura 08c3f3c236
feat: warn grind redundant parameters (#9679)
This PR produces a warning for redundant `grind` arguments.
2025-08-02 05:37:07 +00:00

51 lines
1.4 KiB
Text

reset_grind_attrs%
set_option warn.sorry false
attribute [grind =] Array.size_set
opaque P : Nat → Prop
opaque Q : Nat → Prop
opaque f : Nat → Nat → Nat
@[grind→] theorem pqf : Q x → P (f x x) := sorry
opaque h : Nat → Nat
opaque g : Nat → Nat → Nat
@[grind _=_]
theorem hg : h x = g x (g x x) := sorry
/--
warning: this parameter is redundant, environment already contains `@[grind =] Array.size_set`
-/
#guard_msgs (warning) in
example : True := by grind [= Array.size_set]
/-- warning: this parameter is redundant, environment already contains `@[grind →] pqf` -/
#guard_msgs (warning) in
example : True := by grind [→ pqf]
/--
warning: this parameter is redundant, environment already contains `@[grind →] pqf`
---
warning: this parameter is redundant, environment already contains `@[grind =] Array.size_set`
-/
#guard_msgs (warning) in
example : True := by grind [→ pqf, = Array.size_set]
/-- warning: this parameter is redundant, environment already contains `@[grind _=_] hg` -/
#guard_msgs (warning) in
example : True := by grind [_=_ hg]
/-- warning: this parameter is redundant, environment already contains `@[grind =_] hg` -/
#guard_msgs (warning) in
example : True := by grind [=_ hg]
#guard_msgs (warning) in
example : True := by grind [Array.size_set]
#guard_msgs (warning) in
example : True := by grind [pqf]
#guard_msgs (warning) in
example : True := by grind [hg]