SharedPtr.hpp

#pragma once
 
#include <memory>
#include <type_traits>
#include <utility>
 
#include <dune/common/shared_ptr.hh>
 
#include <amdis/common/TypeTraits.hpp>
 
namespace AMDiS
{
  template <class T>
  std::shared_ptr<T> wrap_or_share(T& t)
  {
    return Dune::stackobject_to_shared_ptr(t);
  }
 
  template<class T>
  std::shared_ptr<T> wrap_or_share(T&& t)
  {
    return std::make_shared<T>(FWD(t));
  }
 
  template <class T>
  std::shared_ptr<T> wrap_or_share(T* t)
  {
    static_assert(not std::is_pointer_v<T*>,
      "Raw pointers must be wrapped into smart pointers or references to clarify ownership");
  }
 
  template <class T>
  std::shared_ptr<T> wrap_or_share(std::shared_ptr<T> t)
  {
    return t;
  }
 
  template <class T>
  std::shared_ptr<T> wrap_or_share(std::unique_ptr<T> t)
  {
    return std::shared_ptr<T>(std::move(t));
  }
 
} // end namespace AMDiS