[C#/COMMON] 널 병합 할당 연산자 ??= (Null Coalescing Assignment Oparator) 사용하기

TestProject.zip

0.00MB

▶ Program.cs

using System;
using System.Collections.Generic;

namespace TestProject
{
    /// <summary>
    /// 프로그램
    /// </summary>
    class Program
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 프로그램 시작하기 - Main()

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        private static void Main()
        {
            List<int> list = null;

            list = InitializeList(list, 100);

            foreach(int value in list)
            {
                Console.WriteLine(value);
            }
        }

        #endregion
        #region 리스트 초기화하기 - InitializeList(sourceList, count)

        /// <summary>
        /// 리스트 초기화하기
        /// </summary>
        /// <param name="sourceList">소스 리스트</param>
        /// <param name="count">카운트</param>
        private static List<int> InitializeList(List<int> sourceList, int count)
        {
            sourceList ??= new List<int>();

            sourceList.Clear();

            for(int i = 0; i < count; i++)
            {
                sourceList.Add(i + 1);
            }

            return sourceList;
        }

        #endregion
    }
}