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// The Art of C++ / Sequences
// Copyright (c) 2015 Daniel Frey
#ifndef TAOCPP_SEQUENCES_INCLUDE_IS_ALL_HPP
#define TAOCPP_SEQUENCES_INCLUDE_IS_ALL_HPP
#include "config.hpp"
#ifndef TAOCPP_FOLD_EXPRESSIONS
#include "integer_sequence.hpp"
#endif
#include <type_traits>
namespace tao
{
namespace seq
{
#ifdef TAOCPP_FOLD_EXPRESSIONS
template< bool... Bs >
using is_all = std::integral_constant< bool, ( Bs && ... ) >;
#else
template< bool... Bs >
using is_all = std::integral_constant< bool, std::is_same< integer_sequence< bool, true, Bs... >, integer_sequence< bool, Bs..., true > >::value >;
#endif
}
}
#endif // TAOCPP_SEQUENCES_INCLUDE_IS_ALL_HPP
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