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authorTom Sepez <tsepez@chromium.org>2015-02-05 10:03:18 -0800
committerTom Sepez <tsepez@chromium.org>2015-02-05 10:03:18 -0800
commit35425896b07b5124651c249d6ce29285cf71ea3b (patch)
tree0cd30ec338fffdebb3aee6a899beeb3835c6f194 /third_party/base/template_util.h
parent53476d6956781ceb252e1ae5e01f83a48bcb4908 (diff)
downloadpdfium-35425896b07b5124651c249d6ce29285cf71ea3b.tar.xz
Merge to XFA: Add namespace and-re-arrange PDFium's local copy of /base.
Original revieww URL: https://codereview.chromium.org/900753002 TBR=jam@chromium.org Review URL: https://codereview.chromium.org/880603004
Diffstat (limited to 'third_party/base/template_util.h')
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diff --git a/third_party/base/template_util.h b/third_party/base/template_util.h
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+// Copyright (c) 2011 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 PDFIUM_THIRD_PARTY_BASE_TEMPLATE_UTIL_H_
+#define PDFIUM_THIRD_PARTY_BASE_TEMPLATE_UTIL_H_
+
+#include <cstddef> // For size_t.
+
+namespace pdfium {
+namespace base {
+
+template<class T, T v>
+struct integral_constant {
+ static const T value = v;
+ typedef T value_type;
+ typedef integral_constant<T, v> type;
+};
+
+typedef integral_constant<bool, true> true_type;
+typedef integral_constant<bool, false> false_type;
+
+template <class T, class U> struct is_same : public false_type {};
+template <class T> struct is_same<T,T> : true_type {};
+
+template<bool B, class T = void>
+struct enable_if {};
+
+template<class T>
+struct enable_if<true, T> { typedef T type; };
+
+} // namespace base
+} // namespace pdfium
+
+#endif // PDFIUM_THIRD_PARTY_BASE_TEMPLATE_UTIL_H_