import Lean open Lean open Lean.Compiler /-- info: -/ #guard_msgs in #eval (do assert! hasCSimpAttribute (← getEnv) ``List.map_eq_mapTR : MetaM Unit) /-- info: -/ #guard_msgs in #eval (do assert! hasCSimpAttribute (← getEnv) ``List.append_eq_appendTR : MetaM Unit) /-- info: -/ #guard_msgs in #eval (do assert! !hasCSimpAttribute (← getEnv) ``List.append : MetaM Unit)