variants: remove the 'built' assertions

[bison.git] / data / stack.hh

diff --git a/data/stack.hh b/data/stack.hh
index 22d89fbb3c7c1330baa2fc21e7cb654d922dc547..037c212fc6a549462f8a480d5982495ce1eed8bd 100644 (file)
--- a/data/stack.hh
+++ b/data/stack.hh
@@ -1,6 +1,6 @@
 # C++ skeleton for Bison
 
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2013 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 m4_pushdef([b4_copyright_years],
-           [2002-2012])
+           [2002-2013])
 
 # b4_stack_define
 # ---------------
@@ -41,23 +41,27 @@ m4_define([b4_stack_define],
 
     inline
     T&
-    operator [] (unsigned int i)
+    operator[] (unsigned int i)
     {
       return seq_[seq_.size () - 1 - i];
     }
 
     inline
     const T&
-    operator [] (unsigned int i) const
+    operator[] (unsigned int i) const
     {
       return seq_[seq_.size () - 1 - i];
     }
 
+    /// Steal the contents of \a t.
+    ///
+    /// Close to move-semantics.
     inline
     void
-    push (const T& t)
+    push (T& t)
     {
-      seq_.push_back (t);
+      seq_.push_back (T());
+      operator[](0).move (t);
     }
 
     inline