val extension_descr : Path.t -> Types.extension_constructor -> Types.constructor_descriptionval labels_of_type : Path.t -> Types.type_declaration -> (Ident.t * Types.label_description) listval constructors_of_type : Path.t -> Types.type_declaration -> (Ident.t * Types.constructor_description) list
val find_constr_by_tag : Types.constructor_tag -> Types.constructor_declaration list -> Types.constructor_declarationval constructor_existentials : Types.constructor_arguments -> Types.type_expr option -> Types.type_expr list * Types.type_expr listTakes
cd_argsandcd_resfrom aconstructor_declarationand returns:- the types of the constructor's arguments
- the existential variables introduced by the constructor
val set_row_name : Types.type_declaration -> Path.t -> unit