KO CSharp Keyword ref - LIHACHTETAN/ClassicUO-Bad-Newbie-CSharp-Scripts-IDE GitHub Wiki

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C#: ref

ํ•ธ๋“œ๋ถ C# ยท ์‹ค์šฉ ๊ฐ€์ด๋“œ

๋ณ€์ˆ˜์— ๋Œ€ํ•œ ์ฐธ์กฐ๋ฅผ ์ „๋‹ฌํ•˜๊ฑฐ๋‚˜ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค. ref local, ref ํ•„๋“œ ๋ฐ ref ๊ตฌ์กฐ์ฒด๋ฅผ ์„ ์–ธํ•ฉ๋‹ˆ๋‹ค. ์ˆ˜๋ช… ๊ทœ์น™์—์„œ๋Š” ์ง€์—ญ ๋ณ€์ˆ˜์— ๋Œ€ํ•œ ์ฐธ์กฐ๋ฅผ ๋ฐ˜ํ™˜ํ•˜๋Š” ๊ฒƒ์„ ํ—ˆ์šฉํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๊ฐ„๋‹จํ•œ ์˜ˆ์ œ (Example.cs)

์ด ์˜ˆ์ œ๋ฅผ Example.cs๋กœ ๋”ฐ๋กœ ์ €์žฅํ•˜๊ณ  ์ด ํŽ˜์ด์ง€์˜ ๋‹ค๋ฅธ ์˜ˆ์ œ์™€ ๋…๋ฆฝ์ ์œผ๋กœ ์‹คํ–‰ํ•˜์„ธ์š”.

Example.cs:

// PROJECT-EXAMPLE
void Add(ref int value) { value += 2; }
int count = 3;
Add(ref count);
System.Console.WriteLine(count);

๊ฒฐ๊ณผ:

5

ํ†ต์‚ฌ๋ก 

Method(ref value) / ref int alias = ref value / ref struct Type

์˜ˆ์‹œ 1: ๊ธฐ๋ณธ ํ˜•ํƒœ

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;

public static class Program
{
    public static async Task Main(string[] args)
    {
        int number = 3;
        Values.Increment(ref number);
        Console.WriteLine(number);
    }
}
public static class Values { public static void Increment(ref int value) { value++; } }

์˜ˆ 2: ๋˜ ๋‹ค๋ฅธ ์‹ค์ œ ํ˜•์‹

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;

public static class Program
{
    public static async Task Main(string[] args)
    {
        int[] values = [2, 4];
        ref int first = ref Arrays.First(values);
        first = 9;
        Console.WriteLine(values[0]);
    }
}
public static class Arrays { public static ref int First(int[] values) => ref values[0]; }

์˜ˆ์‹œ 3

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;

public static class Program
{
    public static async Task Main(string[] args)
    {
        int left = 2, right = 4;
        ref int selected = ref (left > right ? ref left : ref right);
        selected += 10;
        Console.WriteLine($"{left}:{right}");
    }
}

์˜ˆ์‹œ 4

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;

public static class Program
{
    public static async Task Main(string[] args)
    {
        int number = 3;
        Reference holder = new(ref number);
        holder.Value = 9;
        Console.WriteLine(number);
    }
}
public ref struct Reference { public ref int Value; public Reference(ref int value) { Value = ref value; } }

๊ณต์‹ ์ถœ์ฒ˜: Microsoft ํ•™์Šต.