max/lean4-htt
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 2

chore: remove bad Option grind annotation (#10000)

Browse source 
This PR removes a `grind` annotation that fired on all `Option.map`s,
causing an avalanche of instantiations.
This commit is contained in:
Kim Morrison 2025-08-21 11:08:31 +10:00 • committed by GitHub
parent d6a43a660f
commit e3947cbe20
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
src/Init/Data/Option/Lemmas.lean
View file

@ -345,7 +345,7 @@ theorem map_id' {x : Option α} : (x.map fun a => a) = x := congrFun map_id x
@[simp] theorem map_id_fun' {α : Type u} : Option.map (fun (a : α) => a) = id := by
funext; simp [map_id']
@[grind =] theorem map_id_apply' {α : Type u} {x : Option α} : Option.map (fun (a : α) => a) x = x := by simp
theorem map_id_apply' {α : Type u} {x : Option α} : Option.map (fun (a : α) => a) x = x := by simp
@[simp, grind =] theorem get_map {f : α → β} {o : Option α} {h : (o.map f).isSome} :
(o.map f).get h = f (o.get (by simpa using h)) := by