#csharp7 #tuple #destructuring

output.txt

It took 00:00:01.0074966 to calculate hi.

Program.cs

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

namespace ValueTupleFun
{
    class Program
    {
        static void Main(string[] args)
        {
            (var result, var time) = TestTuple(
                async () =>
                {
                    await Task.Delay(TimeSpan.FromSeconds(1));
                    return "hi";
                }).Result;
            Console.WriteLine($"It took {time} to calculate {result}.");
        }

        static async Task<(TResult result, TimeSpan time)> TestTuple<TResult>(
            Func<Task<TResult>> actionAsync)
        {
            var chronometer = Stopwatch.StartNew();
            return (await actionAsync(), chronometer.Elapsed);
        }
    }
}