diff options
Diffstat (limited to 'pretyping')
| -rw-r--r-- | pretyping/classops.mli | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/pretyping/classops.mli b/pretyping/classops.mli index 8f36e95e6f..d0c7793ae6 100644 --- a/pretyping/classops.mli +++ b/pretyping/classops.mli @@ -47,8 +47,12 @@ type coe_index type inheritance_path = coe_index list (** {6 Access to classes infos } *) -val class_info : cl_typ -> (cl_index * cl_info_typ) + val class_exists : cl_typ -> bool + +val class_info : cl_typ -> (cl_index * cl_info_typ) +(** @raise Not_found if this type is not a class *) + val class_info_from_index : cl_index -> cl_typ * cl_info_typ (** [find_class_type env sigma c] returns the head reference of [c] and its @@ -74,7 +78,9 @@ val coercion_exists : coe_typ -> bool val coercion_value : coe_index -> (unsafe_judgment * bool) (** {6 Lookup functions for coercion paths } *) + val lookup_path_between_class : cl_index * cl_index -> inheritance_path +(** @raise Not_found when no such path exists *) val lookup_path_between : env -> evar_map -> types * types -> types * types * inheritance_path |