make_array.hh

// SPDX-FileCopyrightInfo: Copyright (C) DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
#ifndef DUNE_COMMON_STD_MAKE_ARRAY_HH
#define DUNE_COMMON_STD_MAKE_ARRAY_HH
 
#include <array>
#include <type_traits>
 
#if DUNE_HAVE_CXX_EXPERIMENTAL_MAKE_ARRAY
#include <experimental/array>
#endif
 
#warning make_array.hh is deprecated and will be removed after Dune 2.9. \
  Use deduction guide of `std::array` or `std::to_array`.
 
namespace Dune {
namespace Std {
 
#if DUNE_HAVE_CXX_EXPERIMENTAL_MAKE_ARRAY
 
  using std::experimental::make_array;
 
#else // DUNE_HAVE_CXX_EXPERIMENTAL_MAKE_ARRAY
 
 
  template <typename... Args>
  std::array<typename std::common_type<Args...>::type, sizeof...(Args)>
  make_array(const Args&... args) {
    std::array<typename std::common_type<Args...>::type, sizeof...(Args)>
        result = {{args...}};
    return result;
  }
 
#endif // DUNE_HAVE_CXX_EXPERIMENTAL_MAKE_ARRAY
 
}
}
 
#endif