add setter of iter_lev.

* hash.c: add special setter function (inc and dec).

* internal.h: constify RHash::iter_leve.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66765 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/internal.h b/internal.h
index 3205050ec2..867beceb02 100644
--- a/internal.h
+++ b/internal.h
@@ -806,7 +806,7 @@ struct RHash {
         st_table *st;
         struct ar_table_struct *ar; /* possibly 0 */
     } as;
-    int iter_lev;
+    const int iter_lev;
     const VALUE ifnone;
 };