Portable MEF / ExportFactory

Program.cs

using System;
using System.Composition;
using System.Composition.Hosting;
using System.Reflection;

namespace ConsoleApp6
{
    public interface IFu {}
    
    [Export(typeof(IFu)), Shared]
    public class Fu: IFu {}
    
    class Program
    {
        static void Main(string[] args)
        {
            var container = new ContainerConfiguration().WithAssembly(typeof(Program).GetTypeInfo().Assembly).CreateContainer();

            var fu0 = container.GetExport<ExportFactory<IFu>>().CreateExport().Value;
            var fu1 = container.GetExport<ExportFactory<IFu>>().CreateExport().Value;
            var areSame = ReferenceEquals(fu0, fu1); // it is true now, but with older MEF it was false

            Console.ReadLine();
        }
    }
}