From ff1c2295ab7fdcc5e759f7c0a14ea395677fbf02 Mon Sep 17 00:00:00 2001 From: Colin Snover Date: Mon, 19 Dec 2016 10:01:33 -0600 Subject: [PATCH] COMMON: Add type traits to common library Type traits allow conditional selection and manipulation of types during compilation. --- common/type-traits.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 common/type-traits.h diff --git a/common/type-traits.h b/common/type-traits.h new file mode 100644 index 000000000000..4b17317374a7 --- /dev/null +++ b/common/type-traits.h @@ -0,0 +1,34 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * 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 the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#ifndef COMMON_TYPE_TRAITS_H +#define COMMON_TYPE_TRAITS_H + +namespace Common { + template struct Conditional { typedef T type; }; + template struct Conditional { typedef U type; }; + template struct RemoveConst { typedef T type; }; + template struct RemoveConst { typedef T type; }; + template struct AddConst { typedef const T type; }; +} // End of namespace Common + +#endif