VB.NET Tuple<T1,T2,T3,T4>类代码示例

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本文整理汇总了VB.NET中System.Tuple<T1,T2,T3,T4>类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>类的具体用法？VB.NET Tuple<T1,T2,T3,T4>怎么用？VB.NET Tuple<T1,T2,T3,T4>使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Tuple<T1,T2,T3,T4>类的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，您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。

示例1: Example

' 导入命名空间
Imports System.Collections.Generic

Module Example
   Public Sub Main()
      Dim pitchers() =  
               { Tuple.Create("McHale, Joe", 240.1d, 221, 96),
                 Tuple.Create("Paul, Dave", 233.1d, 231, 84), 
                 Tuple.Create("Williams, Mike", 193.2d, 183, 86),
                 Tuple.Create("Blair, Jack", 168.1d, 146, 65), 
                 Tuple.Create("Henry, Walt", 140.1d, 96, 30),
                 Tuple.Create("Lee, Adam", 137.2d, 109, 45),
                 Tuple.Create("Rohr, Don", 101.0d, 110, 42) }
      Dim results() = ComputeStatistics(pitchers)

      ' Display the results.
      Console.WriteLine("{0,-20} {1,9} {2,11} {3,15}", "Pitcher", "ERA", "Hits/Inn.", "Effectiveness")
      Console.WriteLine()
      For Each result In results
         Console.WriteLine("{0,-20} {1,9:F2} {2,11:F2} {3,15:F2}",  
                        result.Item1, result.Item2, result.Item3, result.Item4)
      Next
   End Sub
   
   Private Function ComputeStatistics(pitchers() As Tuple(Of String, Decimal, Integer, Integer)) _ 
                                As Tuple(Of String, Double, Double, Double)()
      Dim list As New List(Of Tuple(Of String, Double, Double, Double))
      Dim result As Tuple(Of String, Double, Double, Double)

      For Each pitcher As Tuple(Of String, Decimal, Integer, Integer) In pitchers
         ' Decimal portion of innings pitched represents 1/3 of an inning
         Dim innings As Double = CDbl(Math.Truncate(pitcher.Item2))
         innings = innings + ((pitcher.Item2 - innings) * .33)
         
         Dim ERA As Double = pitcher.Item4/innings * 9
         Dim hitsPerInning As Double = pitcher.Item3/innings
         Dim EI As Double = (ERA * 2 + hitsPerInning * 9)/3
         result = New Tuple(Of String, Double, Double, Double) _
                           (pitcher.Item1, ERA, hitsPerInning, EI)
         list.Add(result) 
      Next
      Return list.ToArray()
   End Function
End Module

开发者ID:VB.NET开发者，项目名称:System，代码行数:44，代码来源:Tuple

输出：

Pitcher                    ERA   Hits/Inn.   Effectiveness

McHale, Joe               3.60        0.92            5.16
Paul, Dave                3.24        0.99            5.14
Williams, Mike            4.01        0.95            5.52
Blair, Jack               3.48        0.87            4.93
Henry, Walt               1.93        0.69            3.34
Lee, Adam                 2.95        0.80            4.36
Rohr, Don                 3.74        1.09            5.76

注：本文中的System.Tuple<T1,T2,T3,T4>类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。