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// The Art of C++ / Sequences
// Copyright (c) 2015 Daniel Frey
#ifndef TAOCPP_SEQUENCES_INCLUDE_MINUS_HPP
#define TAOCPP_SEQUENCES_INCLUDE_MINUS_HPP
#include <type_traits>
#include "zip.hpp"
namespace tao
{
namespace seq
{
namespace impl
{
template< typename T, T A, T B >
using minus = std::integral_constant< T, A - B >;
}
template< typename A, typename B >
using minus = zip< impl::minus, A, B >;
template< typename A, typename B >
using minus_t = typename minus< A, B >::type;
}
}
#endif // TAOCPP_SEQUENCES_INCLUDE_MINUS_HPP
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