本文整理汇总了VB.NET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：VB.NET Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals方法的具体用法？VB.NET Tuple<T1,T2,T3,T4>.IStructuralEquatable.Equals怎么用？VB.NET 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类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VB.NET代码示例。
示例1: Example
' 导入命名空间
Imports System.Collections
Public Class Item3And4Comparer(Of T1, T2, T3, T4) : Implements IEqualityComparer
Private argument As Integer = 0
Public Overloads Function Equals(x As Object, y As Object) As Boolean _
Implements IEqualityComparer.Equals
argument += 1
' Return true for all values of Item1, Item2.
If argument <= 2 Then
Return True
Else
Return x.Equals(y)
End If
End Function
Public Overloads Function GetHashCode(obj As Object) As Integer _
Implements IEqualityComparer.GetHashCode
If TypeOf obj Is T1 Then
Return CType(obj, T1).GetHashCode()
ElseIf TypeOf obj Is T2 Then
Return CType(obj, T2).GetHashCode()
ElseIf TypeOf obj Is T3 Then
REturn CType(Obj, T3).GetHashCode()
Else
Return CType(obj, T4).GetHashCode()
End If
End Function
End Class
Module Example
Public Sub Main()
Dim temperatures() =
{ Tuple.Create("New York, NY", 4, 61, 43), _
Tuple.Create("Chicago, IL", 2, 34, 18), _
Tuple.Create("Newark, NJ", 4, 61, 43), _
Tuple.Create("Boston, MA", 6, 77, 59), _
Tuple.Create("Detroit, MI", 9, 74, 53), _
Tuple.Create("Minneapolis, MN", 8, 81, 61) }
' Compare each item with every other item for equality.
For ctr As Integer = 0 To temperatures.Length - 1
Dim temperatureInfo As IStructuralEquatable = temperatures(ctr)
For ctr2 As Integer = ctr + 1 To temperatures.Length - 1
Console.WriteLine("{0} = {1}: {2}",
temperatureInfo, temperatures(ctr2),
temperatureInfo.Equals(temperatures(ctr2),
New Item3And4Comparer(Of String, Integer, Double, Double)))
Next
Console.WriteLine()
Next
End Sub
End Module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