using System;
using System.Threading;
using System.Threading.Tasks;

namespace AyaNova.Util
{
    internal static class TaskUtil
    {
        ///<summary>
        ///Usage:
        ///await WithTimeoutAfterStart(ct => SomeOperationAsync(ct), TimeSpan.FromMilliseconds(n));
        ///</summary>
        public static async Task WithTimeoutAfterStart(Func<CancellationToken, Task> operation, TimeSpan timeout)
        {
            //https://stackoverflow.com/a/23478628/8939
            var source = new CancellationTokenSource();
            var task = operation(source.Token);
            source.CancelAfter(timeout);
            await task;
        }

    }//eoc

}//eons