instead_of.hpp

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#ifndef EAGINE_INSTEAD_OF_HPP
#define EAGINE_INSTEAD_OF_HPP
 
namespace eagine {
 
template <typename Src, typename Dst>
struct instead_of {
    using type = Dst;
 
    static constexpr Dst value(Dst val) noexcept {
        return val;
    }
};
 
template <typename Src, typename Dst>
using instead_of_t = typename instead_of<Src, Dst>::type;
 
} // namespace eagine
 
#endif // EAGINE_INSTEAD_OF_HPP