(match level_opt with None -> "" | Some i -> " depth = " ^ string_of_int i ^ " ")
(term_pp term)
(match terms with [] -> "" | _ -> " to " ^ terms_pp ~term_pp terms)
- (match ident_opt with None -> "" | Some ident -> " using " ^ ident)
+ (match ident_opt with None -> "" | Some ident -> " as " ^ ident)
| Left _ -> "left"
| LetIn (_, term, ident) -> sprintf "let %s in %s" (term_pp term) ident
| Reduce (_, kind, pat) ->