helios::ecs::SystemTrait Concept Reference

Concept for valid system types. More...

#include <system.hpp>

Concept definition

template<typename T>
concept helios::ecs::SystemTrait =  std::derived_from<T, System> && std::constructible_from<T> && requires {
  { T::GetAccessPolicy() } -> std::same_as<app::AccessPolicy>;
}

Detailed Description

Concept for valid system types.

A valid system must:

• Derive from System
• Be default constructible
• Provide static constexpr app::AccessPolicy GetAccessPolicy() noexcept

Definition at line 76 of file system.hpp.