types.hpp

#pragma once
 
#include <cstdint>
#include <unordered_set>
 
namespace acheron::ecs {
    using Entity = std::uint64_t; 
 
    using ComponentID = std::uint16_t; 
    using Signature = std::unordered_set<ComponentID>;
 
    using SystemStageID = std::uint64_t; 
}