private static void ValidateStateRule(T candidate, IStateRule <T> rule)
{
if (rule == null)
{
return;
}
if (!rule.IsSatisfied(candidate))
{
throw new StateRuleException(rule.Description);
}
}
public bool Satisfies(IStateRule <T> stateRule)
{
return(HasValue && stateRule.IsSatisfied(Value));
}
