lean4-htt/tests/lean/run/grind_const_pattern.lean
Leonardo de Moura 9466c5db25
fix: constant patterns in grind (#7689)
This PR fixes the support for "constant patterns" in `grind`.
Example:
```lean
def a := 10

example : a = 5 + 5 := by
  grind [a]
```
2025-03-26 19:07:21 +00:00

76 lines
1.1 KiB
Text

set_option grind.warning false
%reset_grind_attrs
attribute [grind] List.map_append
def a := 10
example : a = 5 + 5 := by
grind [a]
/--
error: `grind` failed
case grind
h : ¬a = 10
⊢ False
[grind] Goal diagnostics
[facts] Asserted facts
[prop] ¬a = 10
[eqc] False propositions
[prop] a = 10
-/
#guard_msgs (error) in
example : a = 5 + 5 := by
grind
section
attribute [local grind] a
example : a = 5 + 5 := by
grind
end
def f (x : Nat) := x + 1
theorem fa : f a = 11 := rfl
example : f a = 10 + 1 := by
grind [fa]
/--
error: `grind` failed
case grind
h : ¬f a = 11
⊢ False
[grind] Goal diagnostics
[facts] Asserted facts
[prop] ¬f a = 11
[eqc] False propositions
[prop] f a = 11
-/
#guard_msgs (error) in
example : f a = 10 + 1 := by
grind
attribute [grind] fa
example : f a = 10 + 1 := by
grind
/--
error: `grind` failed
case grind
x : Nat
h : ¬f x = 11
⊢ False
[grind] Goal diagnostics
[facts] Asserted facts
[prop] ¬f x = 11
[eqc] False propositions
[prop] f x = 11
[ematch] E-matching patterns
[thm] fa: [f `[a]]
-/
#guard_msgs (error) in
example : f x = 10 + 1 := by
grind