當前位置: 首頁>>代碼示例>>C#>>正文


C# Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals方法代碼示例

本文整理匯總了C#中System.Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals方法的典型用法代碼示例。如果您正苦於以下問題:C# Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals方法的具體用法?C# Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals怎麽用?C# Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Tuple<T1,T2,T3,T4>的用法示例。


在下文中一共展示了Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: Equals

//引入命名空間
using System;
using System.Collections;

public class Item3And4Comparer<T1, T2, T3, T4> : IEqualityComparer
{
   private int argument = 0;
   
   new public bool Equals(object x, object y)
   {
      argument++;
      
      // Return true for all values of Item1, Item2.
      if (argument <= 2)
         return true;
      else
         return x.Equals(y);
   }
   
   public int GetHashCode(object obj)
   {
      if (obj is T1)
         return ((T1) obj).GetHashCode();
      else if (obj is T2)
         return ((T2) obj).GetHashCode();
      else if (obj is T3)
         return ((T3) obj).GetHashCode();
      else
         return ((T4) obj).GetHashCode();
   }
}

public class Example
{
   public static void Main()
   {
      Tuple<string, int, double, double>[] temperatures = 
            { Tuple.Create("New York, NY", 4, 61.0, 43.0),
              Tuple.Create("Chicago, IL", 2, 34.0, 18.0), 
              Tuple.Create("Newark, NJ", 4, 61.0, 43.0),
              Tuple.Create("Boston, MA", 6, 77.0, 59.0),
              Tuple.Create("Detroit, MI", 9, 74.0, 53.0),
              Tuple.Create("Minneapolis, MN", 8, 81.0, 61.0) }; 
      // Compare each item with every other item for equality.
      for (int ctr = 0; ctr < temperatures.Length; ctr++)
      {
         IStructuralEquatable temperatureInfo = temperatures[ctr];
         for (int ctr2 = ctr + 1; ctr2 < temperatures.Length; ctr2++)
            Console.WriteLine("{0} = {1}: {2}", 
                              temperatureInfo, temperatures[ctr2], 
                              temperatureInfo.Equals(temperatures[ctr2], 
                                              new Item3And4Comparer<string, int, double, double>()));

         Console.WriteLine();                                               
      }
   }
}
開發者ID:.NET開發者,項目名稱:System,代碼行數:57,代碼來源:Tuple.IStructuralEquatable.Equals

輸出:

(New York, NY, 4, 61, 43) = (Chicago, IL, 2, 34, 18): False
(New York, NY, 4, 61, 43) = (Newark, NJ, 4, 61, 43): True
(New York, NY, 4, 61, 43) = (Boston, MA, 6, 77, 59): False
(New York, NY, 4, 61, 43) = (Detroit, MI, 9, 74, 53): False
(New York, NY, 4, 61, 43) = (Minneapolis, MN, 8, 81, 61): False

(Chicago, IL, 2, 34, 18) = (Newark, NJ, 4, 61, 43): False
(Chicago, IL, 2, 34, 18) = (Boston, MA, 6, 77, 59): False
(Chicago, IL, 2, 34, 18) = (Detroit, MI, 9, 74, 53): False
(Chicago, IL, 2, 34, 18) = (Minneapolis, MN, 8, 81, 61): False

(Newark, NJ, 4, 61, 43) = (Boston, MA, 6, 77, 59): False
(Newark, NJ, 4, 61, 43) = (Detroit, MI, 9, 74, 53): False
(Newark, NJ, 4, 61, 43) = (Minneapolis, MN, 8, 81, 61): False

(Boston, MA, 6, 77, 59) = (Detroit, MI, 9, 74, 53): False
(Boston, MA, 6, 77, 59) = (Minneapolis, MN, 8, 81, 61): False

(Detroit, MI, 9, 74, 53) = (Minneapolis, MN, 8, 81, 61): False


注:本文中的System.Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。