KO CSharp Keyword when filter condition - LIHACHTETAN/ClassicUO-Bad-Newbie-CSharp-Scripts-IDE GitHub Wiki

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C#: when์€ ํ•„ํ„ฐ ์กฐ๊ฑด์ž…๋‹ˆ๋‹ค.

ํ•ธ๋“œ๋ถ C# ยท ์‹ค์šฉ ๊ฐ€์ด๋“œ

catch ์˜ˆ์™ธ๋ฅผ ํ•„ํ„ฐ๋งํ•˜๊ฑฐ๋‚˜ ํŒจํ„ด ์ผ์น˜ ๋ถ„๊ธฐ์— ์กฐ๊ฑด์„ ์ถ”๊ฐ€ํ•ฉ๋‹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
try { throw new System.Exception("sample"); }
catch (System.Exception error) when (error.Message == "sample")
{
    System.Console.WriteLine("Matched");
}

๊ฒฐ๊ณผ:

Matched

ํ†ต์‚ฌ๋ก 

catch (Exception e) when (condition) / case pattern when condition:

์˜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)
    {
        try { throw new ArgumentException("sample", "count"); }
        catch (ArgumentException error) when (error.ParamName == "count") { Console.WriteLine("Handled count"); }
    }
}

์˜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)
    {
        object value = 20;
        switch (value) { case int number when number > 10: Console.WriteLine("Large"); break; case int: Console.WriteLine("Small"); break; }
    }
}

๊ณต์‹ ์ถœ์ฒ˜: Microsoft ํ•™์Šต.