Tuple<T1,T2,T3>.Equals(Object) Method
Important
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Returns a value that indicates whether the current Tuple<T1,T2,T3> object is equal to a specified object.
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
- obj
- Object
The object to compare with this instance.
true
if the current instance is equal to the specified object; otherwise, false
.
The following example calls the Tuple<T1,T2,T3>.Equals(Object) method to determine whether any of the objects in an array of Tuple<T1,T2,T3> objects are equal to one another. The output reflects the fact that the Equals(Object) method returns true
when comparing Tuple<T1,T2,T3> objects whose components have equal values.
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
The obj
parameter is considered to be equal to the current instance under the following conditions:
It is a Tuple<T1,T2,T3> object.
Its three components are of the same types as the current instance.
Its three components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component.
Продукт | Версии |
---|---|
.NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.0, 2.1 |
UWP | 10.0 |
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