import Lean open Lean BitVec open Meta in def test [ToExpr α] (a : α) : MetaM Unit := do let e := toExpr a let type ← inferType e check e logInfo m!"{e} : {type}" run_meta test (2 : Fin 4) run_meta test (8 : Fin 5) run_meta test (300#8) run_meta test (300#32) run_meta test (58#8) run_meta test (20 : UInt8) run_meta test (30 : UInt16) run_meta test (40 : UInt32) run_meta test (50 : UInt64) run_meta test (60 : USize)