traits.hpp

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// Copyright (c) 2013-2023 Simon Pintarelli, Anton Kozhevnikov, Thomas Schulthess
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/** \file traits.hpp
 *
 *  \brief Helper functions for type traits.
 */
 
#ifndef __TRAITS_HPP__
#define __TRAITS_HPP__
 
namespace sirius {
 
template <class X>
struct identity
{
    typedef X type;
};
 
template <class X>
using identity_t = typename identity<X>::type;
 
} // namespace sirius
 
#endif /* __TRAITS_HPP__ */