如何使用uint作为键在C中存储函数(C#)

Question

有人可以给我一个例子,说明我如何在字典中存储不同的函数,其中int作为键并作为值运行.那么我可以轻松地调用函数如下:

functionsDictionary[123](string);

注意字典中的所有函数只需要一个输入字符串.并且不会有回报.

Answer 1

这听起来像你在追求

Dictionary<int, Action<string>>

或者可能(根据你的头衔)

Dictionary<uint, Action<string>>

样品:

using System;
using System.Collections.Generic;

class Test
{
    static void Main()
    {
        var dictionary = new Dictionary<int, Action<string>>
        {
            { 5, x => Console.WriteLine("Action for 5: {0}", x) },
            { 13, x => Console.WriteLine("Unlucky for some: {0}", x) }
        };

        dictionary[5]("Woot");
        dictionary[13]("Not really");

        // You can add later easily too
        dictionary.Add(10, x => Console.WriteLine("Ten {0}", x));
        dictionary[15] = x => Console.WriteLine("Fifteen {0}", x);

        // Method group conversions work too
        dictionary.Add(0, MethodTakingString);
    }

    static void MethodTakingString(string x)
    {
    }
}