tinympl  0.2
mini MPL library for C++11
and_b.hpp
1 // Copyright (C) 2013, Ennio Barbaro.
2 //
3 // Use, modification, and distribution is subject to the Boost Software
4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // See http://sbabbi.github.io/tinympl for documentation.
8 //
9 // You are welcome to contact the author at:
10 // enniobarbaro@gmail.com
11 //
12 
13 #ifndef TINYMPL_AND_B_HPP
14 #define TINYMPL_AND_B_HPP
15 
16 #include <type_traits>
17 
18 namespace tinympl {
19 
20 template<bool ... Args> struct and_b;
21 template<bool Head,bool ... Tail> struct and_b<Head,Tail...> : std::integral_constant<bool, Head && and_b<Tail...>::value > {};
22 template<bool Head> struct and_b<Head> : std::integral_constant<bool,Head> {};
23 
24 } // namespace tinympl
25 
26 #endif // TINYMPL_AND_B_HPP