IsManagerLike.ixx File

Concept constraining types eligible for manager registration. More...

Included Headers

#include <concepts> #include <helios.engine.common.tags.ManagerRole> #include <helios.engine.common.concepts.HasTag>

Namespaces Index

namespace	helios
namespace	engine
	Main engine module aggregating core infrastructure and game systems. More...
namespace	runtime
	Runtime infrastructure for game execution and lifecycle orchestration. More...
namespace	world
	World state management, resource registry, and per-frame update context. More...
namespace	common
	Shared type definitions, concepts, and tags used across engine subsystems. More...
namespace	concepts
	Compile-time concepts for engine role classification and capability detection. More...

Description

Concept constraining types eligible for manager registration.

File Listing

The file content with the documentation metadata removed is:

1/**

2 * @file IsManagerLike.ixx

3 * @brief Concept constraining types eligible for manager registration.

4 */

5module;

6

7#include <concepts>

8

9export module helios.engine.common.concepts.IsManagerLike;

10

11import helios.engine.common.concepts.HasTag;

12import helios.engine.common.tags.ManagerRole;

13

14export namespace helios::engine::runtime::world {

15 class UpdateContext;

16}

17

18export namespace helios::engine::common::concepts {

19

20 /**

21 * @brief Constrains T to types that provide `flush(UpdateContext&)` and

22 * declare `EngineRoleTag = ManagerRole`.

23 *

24 * @details A type satisfies IsManagerLike if it:

25 * 1 Provides a `void flush(UpdateContext&)` method for batch processing.

26 * 2 Declares `using EngineRoleTag = ManagerRole;` to explicitly opt in.

27 *

28 * Used by `GameWorld::registerResource<T>()` to gate registration.

29 *

30 * @tparam T The type to constrain.

31 *

32 * @see ManagerRole

33 * @see HasTag

34 * @see Manager

35 */

36 template<class T>

37 concept IsManagerLike = requires(T& t, helios::engine::runtime::world::UpdateContext& updateContext) {

38 {t.flush(updateContext) } -> std::same_as<void>;

39 } && HasTag<T, tags::ManagerRole>;

40}

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