From a5161e76ed47965b71f6d84e88057d18e14da578 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Sat, 26 Apr 2014 23:47:55 +0900
Subject: Class.constants to take optional argument; close #2133

---
 src/variable.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/variable.c')

diff --git a/src/variable.c b/src/variable.c
index 90f0831da..231697d47 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -970,13 +970,16 @@ mrb_value
 mrb_mod_constants(mrb_state *mrb, mrb_value mod)
 {
   mrb_value ary;
+  mrb_bool inherit = TRUE;
   struct RClass *c = mrb_class_ptr(mod);
 
+  mrb_get_args(mrb, "|b", &inherit);
   ary = mrb_ary_new(mrb);
   while (c) {
     if (c->iv) {
       iv_foreach(mrb, c->iv, const_i, &ary);
     }
+    if (!inherit) break;
     c = c->super;
     if (c == mrb->object_class) break;
   }
-- 
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