Task

import Foundation

extension Task where Failure == Never {
    public static func dispatched(on queue: DispatchQueue,
                                  priority: TaskPriority? = nil,
                                  operation: @escaping @Sendable () -> Success) -> Task<Success, Failure> {
        Task.detached(priority: priority) {
            await withCheckedContinuation { continuation in
                queue.async {
                    continuation.resume(returning: operation())
                }
            }
        }
    }
}

extension Task where Failure == Error {
    public static func dispatched(on queue: DispatchQueue,
                                  priority: TaskPriority? = nil,
                                  operation: @escaping @Sendable () throws -> Success) -> Task<Success, Failure> {
        Task.detached(priority: priority) {
            try await withCheckedThrowingContinuation { continuation in
                queue.async {
                    do {
                        let result = try operation()
                        continuation.resume(returning: result)
                    } catch {
                        continuation.resume(throwing: error)
                    }
                }
            }
        }
    }
}