From 974092c5265ac6ed500bdf277412461f092fda96 Mon Sep 17 00:00:00 2001
From: Roy Frostig <rfrostig@mozilla.com>
Date: Fri, 3 Sep 2010 16:25:56 -0700
Subject: Test multi-ref'ed vec growth more seriously than before.

---
 src/lib/_vec.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/lib')

diff --git a/src/lib/_vec.rs b/src/lib/_vec.rs
index 5f1d2baa..39dc8617 100644
--- a/src/lib/_vec.rs
+++ b/src/lib/_vec.rs
@@ -29,6 +29,11 @@ fn alloc[T](uint n_elts) -> vec[T] {
   ret rustrt.vec_alloc[vec[T], T](n_elts);
 }
 
+fn refcount[T](vec[T] v) -> uint {
+  // -1 because calling this function incremented the refcount.
+  ret rustrt.refcount[T](v) - 1u;
+}
+
 type init_op[T] = fn(uint i) -> T;
 
 fn init_fn[T](&init_op[T] op, uint n_elts) -> vec[T] {
-- 
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