/// <summary>
/// Remove a validation rule for a specify property from existing.
/// </summary>
/// <example>
/// RemoveRule(x => x.Surname)...
/// </example>
/// <typeparam name="TProperty">The type of property being validated</typeparam>
/// <param name="expression">The expression representing the property to validate</param>
/// <returns>Successed removed or not</returns>
public bool RemoveRule <TProperty>(Expression <Func <T, TProperty> > expression)
{
expression.Guard("Cannot pass null to RemoveRule");
var member = expression.GetMember();
var rule = nestedValidators.OfType <PropertyRule>().FirstOrDefault(s => s.Member == member);
return(nestedValidators.Remove(rule));
}
