optional.hh

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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
#ifndef DUNE_FUNCTIONS_COMMON_OPTIONAL_HH
#define DUNE_FUNCTIONS_COMMON_OPTIONAL_HH
 
#warning dune/functions/common/optional.hh is deprecated and will be removed after Dune 2.8.\
 Include <optional> instead
 
#include <optional>
 
namespace Dune {
namespace Functions {
  template< class T >
  using Optional = std::optional< T >;
}} // namespace Dune::Functions
 
#endif // DUNE_FUNCTIONS_COMMON_OPTIONAL_HH