import Combine
import Foundation

extension Future {
  /// Creates a `Future` which runs asynchronously on the given `queue`.
  public convenience init(
    on queue: DispatchQueue,
    _ attemptToFulfill: @escaping (@escaping Future<Output, Failure>.Promise) -> Void
  ) {
    self.init { promise in
      queue.async {
        attemptToFulfill(promise)
      }
    }
  }
}