diff options
Diffstat (limited to 'kernel/reduction.mli')
| -rw-r--r-- | kernel/reduction.mli | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/reduction.mli b/kernel/reduction.mli index e0f9c375b..525651493 100644 --- a/kernel/reduction.mli +++ b/kernel/reduction.mli @@ -76,5 +76,7 @@ val hnf_prod_applist : env -> types -> constr list -> types val dest_prod : env -> types -> rel_context * types val dest_prod_assum : env -> types -> rel_context * types -val dest_arity : env -> types -> arity +exception NotArity + +val dest_arity : env -> types -> arity (* raise NotArity if not an arity *) val is_arity : env -> types -> bool |