essence::equivalent_rect Concept Reference

Concept definition

template<typename T>
concept essence::equivalent_rect =  std::is_aggregate_v<T> && requires(T obj) {
        requires std::is_arithmetic_v<decltype(obj.x)>;
        requires std::is_arithmetic_v<decltype(obj.y)>;
        requires std::is_arithmetic_v<decltype(obj.width)>;
        requires std::is_arithmetic_v<decltype(obj.height)>;
        T{
            .x      = {},
            .y      = {},
            .width  = {},
            .height = {},
        };
    }