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author | Colin Snover | 2016-12-19 10:01:33 -0600 |
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committer | Colin Snover | 2017-01-08 13:20:23 -0600 |
commit | ff1c2295ab7fdcc5e759f7c0a14ea395677fbf02 (patch) | |
tree | 52b97e3c91a0e1a59480a244f7ef5b19c7ecae5a | |
parent | 4dc6aa2d93a3e166891713549d73c4e40fe9f4f2 (diff) | |
download | scummvm-rg350-ff1c2295ab7fdcc5e759f7c0a14ea395677fbf02.tar.gz scummvm-rg350-ff1c2295ab7fdcc5e759f7c0a14ea395677fbf02.tar.bz2 scummvm-rg350-ff1c2295ab7fdcc5e759f7c0a14ea395677fbf02.zip |
COMMON: Add type traits to common library
Type traits allow conditional selection and manipulation of types
during compilation.
-rw-r--r-- | common/type-traits.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/common/type-traits.h b/common/type-traits.h new file mode 100644 index 0000000000..4b17317374 --- /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 <bool b, class T, class U> struct Conditional { typedef T type; }; + template <class T, class U> struct Conditional<false, T, U> { typedef U type; }; + template <typename T> struct RemoveConst { typedef T type; }; + template <typename T> struct RemoveConst<const T> { typedef T type; }; + template <typename T> struct AddConst { typedef const T type; }; +} // End of namespace Common + +#endif |