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XCEngine/docs/api/threading/lambda-task/lambda-task.md
ssdfasd f427699ac6 refactor: improve test infrastructure and fix OpenGL GLAD initialization
- Rename D3D12Enum.h to D3D12Enums.h for naming consistency
- Fix OpenGL unit test GLAD initialization by using gladLoadGL()
  instead of gladLoadGLLoader(wglGetProcAddress) for fallback support
- Migrate remaining tests to use gtest_discover_tests for granular
  test discovery (math, core, containers, memory, threading, debug,
  components, scene, resources, input, opengl)
- Remove obsolete TEST_RESOURCES_DIR and copy_directory commands
  from OpenGL unit test CMakeLists (minimal/Res doesn't exist)
- Update TEST_SPEC.md with performance metrics and per-module
  build/test commands for faster development workflow
- Update CMake path references to use lowercase paths
2026-03-23 00:43:02 +08:00

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# LambdaTask
**命名空间**: `XCEngine::Threading`
**类型**: `class` (template)
**头文件**: `XCEngine/Threading/LambdaTask.h`
**描述**: Lambda 任务封装模板类,允许使用 lambda 表达式创建任务,无需继承 ITask。
## 概述
`LambdaTask<Func>` 是一个模板封装类将任意可调用对象lambda、函数指针、std::function包装为 `ITask`。这大大简化了简短任务的创建。
## 模板参数
| 参数 | 描述 |
|------|------|
| `Func` | 可调用对象类型 |
## 构造方法
| 方法 | 描述 |
|------|------|
| [`LambdaTask`](constructor.md) | 构造 Lambda 任务 |
## 继承方法
| 方法 | 描述 |
|------|------|
| [`Execute()`](execute.md) | 执行封装的可调用对象(继承自 ITask纯虚方法重写 |
## 使用示例
```cpp
// 使用 lambda 创建任务
TaskSystem::Get().Submit(
std::make_unique<LambdaTask<std::function<void()>>>(
[]() {
printf("Hello from task!\n");
},
TaskPriority::Normal
)
);
// 或者直接使用 Submit 的便捷重载
TaskSystem::Get().Submit([]() {
printf("Direct lambda task!\n");
});
```
## 相关文档
- [ITask](../task/task.md) - 任务基类
- [TaskGroup](../task-group/task-group.md) - 任务组
- [TaskSystem](../task-system/task-system.md) - 任务系统
- [../threading/threading.md](../threading.md) - 模块总览