let pp_terms_ast terms = String.concat ", " (List.map pp_term_ast terms)
let pp_reduction_kind = function
+ | `Normalize -> "normalize"
| `Reduce -> "reduce"
| `Simpl -> "simplify"
+ | `Unfold (Some t) -> "unfold " ^ pp_term_ast t
+ | `Unfold None -> "unfold"
| `Whd -> "whd"
- | `Normalize -> "normalize"
let pp_pattern (t, hyp, goal) =