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

本文整理汇总了C#中System.Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals方法的典型用法代码示例。如果您正苦于以下问题:C# Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals方法的具体用法?C# Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals怎么用?C# Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在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个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Equals

//引入命名空间
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();                                               
      }
   }
}
开发者ID:.NET开发者,项目名称:System,代码行数:57,代码来源:Tuple.IStructuralEquatable.Equals

输出:

(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


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