summaryrefslogtreecommitdiffstats
path: root/base/template_util.h
diff options
context:
space:
mode:
Diffstat (limited to 'base/template_util.h')
-rw-r--r--base/template_util.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/base/template_util.h b/base/template_util.h
new file mode 100644
index 0000000..69702f3
--- /dev/null
+++ b/base/template_util.h
@@ -0,0 +1,29 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BASE_TEMPLATE_UTIL_H_
+#define BASE_TEMPLATE_UTIL_H_
+
+namespace base {
+
+// template definitions from tr1
+
+template<class T, T v>
+struct integral_constant {
+ static const T value = v;
+ typedef T value_type;
+ typedef integral_constant<T, v> type;
+};
+
+template <class T, T v> const T integral_constant<T, v>::value;
+
+typedef integral_constant<bool, true> true_type;
+typedef integral_constant<bool, false> false_type;
+
+template <class T> struct is_pointer : false_type {};
+template <class T> struct is_pointer<T*> : true_type {};
+
+} // namespace base
+
+#endif