IEquatable.hxx

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#ifndef IEQUATABLE_HXX_
#define IEQUATABLE_HXX_
 
#include "Meta.hxx"
 
template <typename Type, typename = void> struct is_strong_equatable_type : public std::false_type
{
};
 
template <typename Type>
struct is_strong_equatable_type<Type, std::void_t<decltype(std::declval<Type>().Equals(std::declval<Type>()))>> : std::true_type
{
};
 
template <typename Type> class IEquatable
{
 
private:
  std::size_t m_Hash;
 
public:
  IEquatable();
 
  constexpr bool operator!=(const IEquatable<Type> &other) const noexcept;
 
  bool operator==(const IEquatable<Type> &other) const noexcept;
 
protected:
  void onHashChanged(std::size_t hash) noexcept;
 
  void onHashChanged() noexcept;
};
 
#include "IEquatable.inl.hxx"
 
#endif