Replace Nested Conditional with Guard Clauses

 

namespace ReplaceNestedConditionalWithGuardClauses
{
    class Program
    {
        static void Main(string[] args)
        {
           
            Console.WriteLine(PersonIsfligible(16, true, true, true));
            Console.WriteLine(PersonIsfligible(18, true, true, true));
            Console.WriteLine(PersonIsfligible(16, true, true, false));
            Console.WriteLine(PersonIsfligible(16, true, false, true));
        }

        //Some sort of contest entry requirements!
        public static bool PersonIsfligible(int age, bool canadianCitizen, bool acceptedConditionOfEntry, bool IsfulltimeStudent)
        {
            //Gurad Cludeses : 아래 condion의 문장의 부정으로 조건 문을 만들고 return false
            if (age < 18) return false;
            if (!canadianCitizen) return false;
            if (!acceptedConditionOfEntry) return false;
            if (!IsfulltimeStudent) return false;

            return true;
            
            ////nested conditions
            //if (age > 18)
            //{
            //    if (canadianCitizen)
            //    {
            //        if (IsfulltimeStudent)
            //        {
            //            //if statement  can go on
            //            return true;
                       
            //        }
                   
            //    }
               
            //}

            //return false;
        }
    }

}