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Codex edited this page Oct 11, 2026
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2 revisions
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將成員綁定到類型而不是實例。靜態類別僅包含靜態成員; static lambda 不捕獲局部變數。
請將此範例另存為 Example.cs,並與本頁其他範例分開執行。
Example.cs:
// PROJECT-EXAMPLE
System.Console.WriteLine(Tools.Double(4));
static class Tools { public static int Double(int x) => x * 2; }結果:
8
static class Tools { public static int Value { get; } }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)
{
Console.WriteLine(Tools.Double(6));
}
}
public static class Tools { public static int Double(int value) => value * 2; }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 = [1, 2, 3];
Console.WriteLine(values.Select(static value => value * value).Sum());
}
}官方來源:Microsoft學習。
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