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Codex edited this page Oct 11, 2026
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2 revisions
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限制類型對目前輸出檔的可見性。这是顶级类型修饰符,而不是类成员。
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(Helper.Double(3));
file static class Helper { public static int Double(int x) => x * 2; }結果:
6
file class Helper { ... }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(Helper.Double(3));
}
}
file static class Helper { 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)
{
Token value = new(7);
Console.WriteLine(value.Value);
}
}
file readonly record struct Token(int Value);官方來源:Microsoft學習。
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