Mapper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using FastMember;

namespace Mapper
{
    public class Mapper
    {
        public static IEnumerable<TDest> MapTo<TSrc, TDest>(IEnumerable<TSrc> src)
        {
            var srcType = TypeAccessor.Create(typeof(TSrc));
            var destType = TypeAccessor.Create(typeof(TDest));
            var srcProps = srcType.GetMembers();
            var destProps = destType.GetMembers();

            var matchedProps = (from s in srcProps
                                from d in destProps
                                where s.Name == d.Name
                                where s.Type == d.Type
                                select new { Source = s, Dest = d })
                               .ToDictionary(x => x.Source, x => x.Dest);
            foreach (var s in src)
            {
                var dest = destType.CreateNew();
                foreach (var prop in matchedProps)
                {
                    destType[dest, prop.Value.Name] = srcType[s, prop.Key.Name];
                }
                yield return (TDest)dest;
            }
        }
    }
}