* variable.c (rb_obj_classname): new function.

* string.c (rb_str_dup): should preserve original's class (but not
  hidden singleton class).

* string.c (rb_str_substr): ditto.

* parse.y: backout EXPR_CMDARG removal.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3427 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/ruby.h b/ruby.h
index 5f2448de1a..6988eb0296 100644
--- a/ruby.h
+++ b/ruby.h
@@ -490,6 +490,7 @@ char *rb_id2name _((ID));
 ID rb_to_id _((VALUE));
 
 char *rb_class2name _((VALUE));
+char *rb_obj_classname _((VALUE));
 
 void rb_p _((VALUE));