mattfrear

public static class ObjectExtensions
{
        public static T With<T, TProp>(this T o, Expression<Func<T, TProp>> prop, TProp value)
        {
            if (!(prop.Body is MemberExpression memberExpression))
            {
                throw new ArgumentException($"A property must be provided. ({prop})");
            }

            var propertyInfo = (PropertyInfo) memberExpression.Member;