Tuple<T1,T2,T3>.Equals(Object) Methode

Definition

Gibt einen Wert zurück, der angibt, ob das aktuelle Tuple<T1,T2,T3> Objekt einem angegebenen Objekt entspricht.

public:
 override bool Equals(System::Object ^ obj);
public override bool Equals(object obj);
public override bool Equals(object? obj);
override this.Equals : obj -> bool
Public Overrides Function Equals (obj As Object) As Boolean

Parameter

obj
Object

Das Objekt, das mit dieser Instanz verglichen werden soll.

Gibt zurück

truewenn die aktuelle Instanz dem angegebenen Objekt entspricht; andernfalls . false

Beispiele

Im folgenden Beispiel wird die Tuple<T1,T2,T3>.Equals(Object) Methode aufgerufen, um zu bestimmen, ob objekte in einem Array von Tuple<T1,T2,T3> Objekten gleicheinander sind. Die Ausgabe gibt die Tatsache wieder, dass die Equals(Object) Methode beim Vergleichen von Objekten zurückgibt trueTuple<T1,T2,T3> , deren Komponenten gleiche Werte aufweisen.

using System;

public class Example
{
   public static void Main()
   {
      Tuple<string, double, int>[] scores = 
                      { Tuple.Create("Ed", 78.8, 8),
                        Tuple.Create("Abbey", 92.1, 9), 
                        Tuple.Create("Ed", 71.2, 9),
                        Tuple.Create("Sam", 91.7, 8), 
                        Tuple.Create("Ed", 71.2, 5),
                        Tuple.Create("Penelope", 82.9, 8),
                        Tuple.Create("Ed", 71.2, 9),
                        Tuple.Create("Judith", 84.3, 9) };

      // Test each tuple object for equality with every other tuple.
      for (int ctr = 0; ctr < scores.Length; ctr++)
      {
         var currentTuple = scores[ctr];
         for (int ctr2 = ctr + 1; ctr2 < scores.Length; ctr2++)
            Console.WriteLine("{0} = {1}: {2}", currentTuple, scores[ctr2], 
                                                currentTuple.Equals(scores[ctr2]));      

         Console.WriteLine();
      }   
   }
}
// The example displays the following output;
//    (Ed, 78.8, 8) = (Abbey, 92.1, 9): False
//    (Ed, 78.8, 8) = (Ed, 71.2, 9): False
//    (Ed, 78.8, 8) = (Sam, 91.7, 8): False
//    (Ed, 78.8, 8) = (Ed, 71.2, 5): False
//    (Ed, 78.8, 8) = (Penelope, 82.9, 8): False
//    (Ed, 78.8, 8) = (Ed, 71.2, 9): False
//    (Ed, 78.8, 8) = (Judith, 84.3, 9): False
//    
//    (Abbey, 92.1, 9) = (Ed, 71.2, 9): False
//    (Abbey, 92.1, 9) = (Sam, 91.7, 8): False
//    (Abbey, 92.1, 9) = (Ed, 71.2, 5): False
//    (Abbey, 92.1, 9) = (Penelope, 82.9, 8): False
//    (Abbey, 92.1, 9) = (Ed, 71.2, 9): False
//    (Abbey, 92.1, 9) = (Judith, 84.3, 9): False
//    
//    (Ed, 71.2, 9) = (Sam, 91.7, 8): False
//    (Ed, 71.2, 9) = (Ed, 71.2, 5): False
//    (Ed, 71.2, 9) = (Penelope, 82.9, 8): False
//    (Ed, 71.2, 9) = (Ed, 71.2, 9): True
//    (Ed, 71.2, 9) = (Judith, 84.3, 9): False
//    
//    (Sam, 91.7, 8) = (Ed, 71.2, 5): False
//    (Sam, 91.7, 8) = (Penelope, 82.9, 8): False
//    (Sam, 91.7, 8) = (Ed, 71.2, 9): False
//    (Sam, 91.7, 8) = (Judith, 84.3, 9): False
//    
//    (Ed, 71.2, 5) = (Penelope, 82.9, 8): False
//    (Ed, 71.2, 5) = (Ed, 71.2, 9): False
//    (Ed, 71.2, 5) = (Judith, 84.3, 9): False
//    
//    (Penelope, 82.9, 8) = (Ed, 71.2, 9): False
//    (Penelope, 82.9, 8) = (Judith, 84.3, 9): False
//    
//    (Ed, 71.2, 9) = (Judith, 84.3, 9): False
open System

let scores = 
    [| Tuple.Create("Ed", 78.8, 8)
       Tuple.Create("Abbey", 92.1, 9)
       Tuple.Create("Ed", 71.2, 9)
       Tuple.Create("Sam", 91.7, 8)
       Tuple.Create("Ed", 71.2, 5)
       Tuple.Create("Penelope", 82.9, 8)
       Tuple.Create("Ed", 71.2, 9)
       Tuple.Create("Judith", 84.3, 9) |]

// Test each tuple object for equality with every other tuple.
for ctr = 0 to scores.Length - 1 do
    let currentTuple = scores[ctr]
    for ctr2 = ctr + 1 to scores.Length - 1 do
        printfn $"{currentTuple} = {scores[ctr2]}: {currentTuple.Equals scores[ctr2]}"
    printfn ""

// The example displays the following output
//    (Ed, 78.8, 8) = (Abbey, 92.1, 9): False
//    (Ed, 78.8, 8) = (Ed, 71.2, 9): False
//    (Ed, 78.8, 8) = (Sam, 91.7, 8): False
//    (Ed, 78.8, 8) = (Ed, 71.2, 5): False
//    (Ed, 78.8, 8) = (Penelope, 82.9, 8): False
//    (Ed, 78.8, 8) = (Ed, 71.2, 9): False
//    (Ed, 78.8, 8) = (Judith, 84.3, 9): False
//    
//    (Abbey, 92.1, 9) = (Ed, 71.2, 9): False
//    (Abbey, 92.1, 9) = (Sam, 91.7, 8): False
//    (Abbey, 92.1, 9) = (Ed, 71.2, 5): False
//    (Abbey, 92.1, 9) = (Penelope, 82.9, 8): False
//    (Abbey, 92.1, 9) = (Ed, 71.2, 9): False
//    (Abbey, 92.1, 9) = (Judith, 84.3, 9): False
//    
//    (Ed, 71.2, 9) = (Sam, 91.7, 8): False
//    (Ed, 71.2, 9) = (Ed, 71.2, 5): False
//    (Ed, 71.2, 9) = (Penelope, 82.9, 8): False
//    (Ed, 71.2, 9) = (Ed, 71.2, 9): True
//    (Ed, 71.2, 9) = (Judith, 84.3, 9): False
//    
//    (Sam, 91.7, 8) = (Ed, 71.2, 5): False
//    (Sam, 91.7, 8) = (Penelope, 82.9, 8): False
//    (Sam, 91.7, 8) = (Ed, 71.2, 9): False
//    (Sam, 91.7, 8) = (Judith, 84.3, 9): False
//    
//    (Ed, 71.2, 5) = (Penelope, 82.9, 8): False
//    (Ed, 71.2, 5) = (Ed, 71.2, 9): False
//    (Ed, 71.2, 5) = (Judith, 84.3, 9): False
//    
//    (Penelope, 82.9, 8) = (Ed, 71.2, 9): False
//    (Penelope, 82.9, 8) = (Judith, 84.3, 9): False
//    
//    (Ed, 71.2, 9) = (Judith, 84.3, 9): False
Module Example
   Public Sub Main()
      Dim scores() = 
              { Tuple.Create("Ed", 78.8, 8),
                Tuple.Create("Abbey", 92.1, 9), 
                Tuple.Create("Ed", 71.2, 9),
                Tuple.Create("Sam", 91.7, 8), 
                Tuple.Create("Ed", 71.2, 5),
                Tuple.Create("Penelope", 82.9, 8),
                Tuple.Create("Ed", 71.2, 9),
                Tuple.Create("Judith", 84.3, 9) }

      ' Test each tuple object for equality with every other tuple.
      For ctr As Integer = 0 To scores.Length - 1
         Dim currentTuple = scores(ctr)
         For ctr2 As Integer = ctr + 1 To scores.Length - 1
            Console.WriteLine("{0} = {1}: {2}", currentTuple, scores(ctr2), 
                                                currentTuple.Equals(scores(ctr2)))      
         Next
         Console.WriteLine()
      Next
   End Sub
End Module
' The example displays the following output;
'    (Ed, 78.8, 8) = (Abbey, 92.1, 9): False
'    (Ed, 78.8, 8) = (Ed, 71.2, 9): False
'    (Ed, 78.8, 8) = (Sam, 91.7, 8): False
'    (Ed, 78.8, 8) = (Ed, 71.2, 5): False
'    (Ed, 78.8, 8) = (Penelope, 82.9, 8): False
'    (Ed, 78.8, 8) = (Ed, 71.2, 9): False
'    (Ed, 78.8, 8) = (Judith, 84.3, 9): False
'    
'    (Abbey, 92.1, 9) = (Ed, 71.2, 9): False
'    (Abbey, 92.1, 9) = (Sam, 91.7, 8): False
'    (Abbey, 92.1, 9) = (Ed, 71.2, 5): False
'    (Abbey, 92.1, 9) = (Penelope, 82.9, 8): False
'    (Abbey, 92.1, 9) = (Ed, 71.2, 9): False
'    (Abbey, 92.1, 9) = (Judith, 84.3, 9): False
'    
'    (Ed, 71.2, 9) = (Sam, 91.7, 8): False
'    (Ed, 71.2, 9) = (Ed, 71.2, 5): False
'    (Ed, 71.2, 9) = (Penelope, 82.9, 8): False
'    (Ed, 71.2, 9) = (Ed, 71.2, 9): True
'    (Ed, 71.2, 9) = (Judith, 84.3, 9): False
'    
'    (Sam, 91.7, 8) = (Ed, 71.2, 5): False
'    (Sam, 91.7, 8) = (Penelope, 82.9, 8): False
'    (Sam, 91.7, 8) = (Ed, 71.2, 9): False
'    (Sam, 91.7, 8) = (Judith, 84.3, 9): False
'    
'    (Ed, 71.2, 5) = (Penelope, 82.9, 8): False
'    (Ed, 71.2, 5) = (Ed, 71.2, 9): False
'    (Ed, 71.2, 5) = (Judith, 84.3, 9): False
'    
'    (Penelope, 82.9, 8) = (Ed, 71.2, 9): False
'    (Penelope, 82.9, 8) = (Judith, 84.3, 9): False
'    
'    (Ed, 71.2, 9) = (Judith, 84.3, 9): False

Hinweise

Der obj Parameter wird unter folgenden Bedingungen als gleich der aktuellen Instanz betrachtet:

  • Es handelt sich um ein Tuple<T1,T2,T3> Objekt.

  • Die drei Komponenten sind identisch mit der aktuellen Instanz.

  • Die drei Komponenten entsprechen denen der aktuellen Instanz. Die Gleichheit wird durch den Standardmäßigen Vergleich der Objektgleichstellung für jede Komponente bestimmt.

Gilt für: