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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5.  
  6. namespace ConsoleApplication3
  7. {
  8.     class Item
  9.     {
  10.         //Action<int>…戻り値なし、int型を引数にもつメソッドを設定できるデリゲート
  11.         public Action<int> Use{ get; set; }
  12.         public int Power { get; set; }
  13.  
  14.         public static void HealAction(int p )
  15.         {
  16.             Console.WriteLine(p + " Recover!");
  17.         }
  18.  
  19.         public static void FireMagicAction(int p)
  20.         {
  21.             Console.WriteLine(p + " Damage!! ");
  22.         }
  23.  
  24.     }
  25.  
  26.     class Program
  27.     {
  28.         static void Main(string[] args)
  29.         {
  30.             Item しょぼい薬 = new Item() { Power = 5, Use = Item.HealAction };
  31.             Item すごい薬 = new Item() { Power = 100, Use = Item.HealAction };
  32.             Item メラの巻物 = new Item() { Power = 30, Use = Item.FireMagicAction };
  33.             Item メラゾーマの巻物 = new Item() { Power = 3000, Use = Item.FireMagicAction };
  34.  
  35.             List<Item> items = new List<Item>();
  36.             items.Add(しょぼい薬);
  37.             items.Add(すごい薬);
  38.             items.Add(メラゾーマの巻物);
  39.             foreach (var a in items)
  40.             {
  41.                 a.Use(a.Power);
  42.             }
  43.  
  44.         }
  45.     }
  46. }
  47.  
Success #stdin #stdout 0.04s 37016KB
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stdin
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Standard input is empty
stdout
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5 Recover!
100 Recover!
3000 Damage!!
https://ideone.com/hLAM1
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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