From 3266b6160ecd44633572beb0323b2cd109a91e66 Mon Sep 17 00:00:00 2001
From: skandhas <skandhas@163.com>
Date: Tue, 6 Nov 2012 10:45:22 +0800
Subject: The output of Object#instance_variables contains instance variables
 and class variables.

---
 src/variable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/variable.c b/src/variable.c
index 2978637b4..b3b3b3d87 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -580,7 +580,7 @@ iv_i(mrb_state *mrb, mrb_sym sym, mrb_value v, void *p)
 
   ary = *(mrb_value*)p;
   s = mrb_sym2name_len(mrb, sym, &len);
-  if (len > 1 && s[0] == '@') {
+  if (len > 1 && s[0] == '@' && s[1] != '@') {
     mrb_ary_push(mrb, ary, mrb_symbol_value(sym));
   }
   return 0;
-- 
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