golang函数在分布式系统中的应用

// Task represents a unit of work to be processed.
type Task struct {
    // Input data for the task.
    Data []byte
}

// TaskProcessor represents a function that processes a task.
type TaskProcessor func(t Task) error

// TaskQueue is a queue of tasks to be processed.
type TaskQueue chan Task

// CreateTaskProcessor creates a task processor function.
func CreateTaskProcessor(workerPoolSize int) TaskProcessor {
    // Create a pool of workers.
    workers := make([]worker, workerPoolSize)
    for i := 0; i < workerPoolSize; i++ {
        workers[i] = worker{
            taskQueue: make(TaskQueue),
        }
    }

    // Start the workers.
    for _, w := range workers {
        go w.run()
    }

    // Return the task processor function.
    return func(t Task) error {
        // Send the task to a random worker.
        workers[rand.Intn(len(workers))].taskQueue <- t
        return nil
    }
}

// Worker represents a task processing worker.
type worker struct {
    taskQueue TaskQueue
}

// run starts the worker and processes tasks.
func (w *worker) run() {
    for t := range w.taskQueue {
        // Process the task.
        if err := processTask(t); err != nil {
            // Handle error.
        }
    }
}