interface.hpp

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#ifndef EAGINE_INTERFACE_HPP
#define EAGINE_INTERFACE_HPP
 
namespace eagine {
 
template <typename Derived>
class interface {
public:
    constexpr interface(const interface&) = delete;
 
    auto operator=(interface&&) = delete;
 
    auto operator=(const interface&) = delete;
 
protected:
    constexpr interface() noexcept = default;
 
    constexpr interface(interface&&) noexcept = default;
    virtual ~interface() noexcept = default;
};
 
template <typename Derived>
class abstract {
protected:
    constexpr abstract() noexcept = default;
 
    constexpr abstract(abstract&&) noexcept = default;
 
    constexpr abstract(const abstract&) noexcept = default;
 
    auto operator=(abstract&&) noexcept -> abstract& = default;
 
    auto operator=(const abstract&) noexcept -> abstract& = default;
    virtual ~abstract() noexcept = default;
};
 
} // namespace eagine
 
#endif // EAGINE_INTERFACE_HPP