private static Func <TIn, TOut> GetFunc()
{
ParameterExpression parameterExpression = Expression.Parameter(typeof(TIn), "p");
List <MemberBinding> memberBindingList = new List <MemberBinding>();
foreach (var item in typeof(TOut).GetProperties())
{
if (!item.CanWrite)
{
continue;
}
MemberExpression property = Expression.Property(parameterExpression, typeof(TIn).GetProperty(item.Name));
MemberBinding memberBinding = Expression.Bind(item, property);
memberBindingList.Add(memberBinding);
}
MemberInitExpression memberInitExpression = Expression.MemberInit(Expression.New(typeof(TOut)), memberBindingList.ToArray());
Expression <Func <TIn, TOut> > lambda = Expression.Lambda <Func <TIn, TOut> >(memberInitExpression, new ParameterExpression[] { parameterExpression });
return(lambda.Compile());
}
