From: Dave Mitchell <davem@fdisolutions.com>
Date: Tue, 20 Jan 2004 21:01:08 +0000 (+0000)
Subject: Document CVf_UNIQUE flag better
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=6909cc55000f14d567d0ce4e72f02e1e4307904f;p=p5sagit%2Fp5-mst-13.2.git

Document CVf_UNIQUE flag better

p4raw-id: //depot/perl@22185
---

diff --git a/cv.h b/cv.h
index 74e2ade..1c8b93d 100644
--- a/cv.h
+++ b/cv.h
@@ -75,7 +75,10 @@ Returns the stash of the CV.
 #define CVf_CLONED	0x0002	/* a clone of one of those */
 #define CVf_ANON	0x0004	/* CvGV() can't be trusted */
 #define CVf_OLDSTYLE	0x0008
-#define CVf_UNIQUE	0x0010	/* can't be cloned */
+#define CVf_UNIQUE	0x0010	/* sub is only called once (eg PL_main_cv,
+				 * require, eval). Not to be confused
+				 * with the GVf_UNIQUE flag associated
+				 * with the :unique attribute */
 #define CVf_NODEBUG	0x0020	/* no DB::sub indirection for this CV
 				   (esp. useful for special XSUBs) */
 #define CVf_METHOD	0x0040	/* CV is explicitly marked as a method */