From 4641fcef616a7ee1eece4f00f757958757deb438 Mon Sep 17 00:00:00 2001
From: Michael Bebenita <mbebenita@mozilla.com>
Date: Mon, 9 Aug 2010 08:01:40 -0700
Subject: Added peek() to ptr_vec.

---
 src/rt/rust_internal.h | 1 +
 src/rt/rust_util.h     | 7 +++++++
 2 files changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/rt/rust_internal.h b/src/rt/rust_internal.h
index b012a478..4f2d8902 100644
--- a/src/rt/rust_internal.h
+++ b/src/rt/rust_internal.h
@@ -151,6 +151,7 @@ public:
     T *& operator[](size_t offset);
     void push(T *p);
     T *pop();
+    T *peek();
     void trim(size_t fill);
     void swap_delete(T* p);
 };
diff --git a/src/rt/rust_util.h b/src/rt/rust_util.h
index 6f2ab4c3..03b7766d 100644
--- a/src/rt/rust_util.h
+++ b/src/rt/rust_util.h
@@ -69,6 +69,13 @@ ptr_vec<T>::pop()
     return data[--fill];
 }
 
+template <typename T>
+T *
+ptr_vec<T>::peek()
+{
+    return data[fill - 1];
+}
+
 template <typename T>
 void
 ptr_vec<T>::trim(size_t sz)
-- 
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