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聲明匿名函數或簡潔的表達式主體成員。如果可能的話,參數和結果類型是從上下文推斷出來的。
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.Func<int, int> twice = value => value * 2;
System.Console.WriteLine(twice(4));結果:
8
value => expression / (left, right) => { ... }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)
{
Func<int, int> square = value => value * value;
Console.WriteLine(square(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 offset = 3;
Func<int, int> adjusted = value => { int result = value + offset; return result; };
Console.WriteLine(adjusted(5));
}
}官方來源:Microsoft學習。