Tuple<T1,T2,T3,T4,T5> Class
Important
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Represents a 5-tuple, or quintuple.
generic <typename T1, typename T2, typename T3, typename T4, typename T5>
public ref class Tuple : IComparable, System::Collections::IStructuralComparable, System::Collections::IStructuralEquatable
generic <typename T1, typename T2, typename T3, typename T4, typename T5>
public ref class Tuple : IComparable, System::Collections::IStructuralComparable, System::Collections::IStructuralEquatable, System::Runtime::CompilerServices::ITuple
public class Tuple<T1,T2,T3,T4,T5> : IComparable, System.Collections.IStructuralComparable, System.Collections.IStructuralEquatable
public class Tuple<T1,T2,T3,T4,T5> : IComparable, System.Collections.IStructuralComparable, System.Collections.IStructuralEquatable, System.Runtime.CompilerServices.ITuple
[System.Serializable]
public class Tuple<T1,T2,T3,T4,T5> : IComparable, System.Collections.IStructuralComparable, System.Collections.IStructuralEquatable
type Tuple<'T1, 'T2, 'T3, 'T4, 'T5> = class
interface IStructuralComparable
interface IStructuralEquatable
interface IComparable
type Tuple<'T1, 'T2, 'T3, 'T4, 'T5> = class
interface IStructuralComparable
interface IStructuralEquatable
interface IComparable
interface ITuple
[<System.Serializable>]
type Tuple<'T1, 'T2, 'T3, 'T4, 'T5> = class
interface IStructuralEquatable
interface IStructuralComparable
interface IComparable
[<System.Serializable>]
type Tuple<'T1, 'T2, 'T3, 'T4, 'T5> = class
interface IStructuralEquatable
interface IStructuralComparable
interface IComparable
interface ITuple
Public Class Tuple(Of T1, T2, T3, T4, T5)
Implements IComparable, IStructuralComparable, IStructuralEquatable
Public Class Tuple(Of T1, T2, T3, T4, T5)
Implements IComparable, IStructuralComparable, IStructuralEquatable, ITuple
- T1
The type of the tuple's first component.
- T2
The type of the tuple's second component.
- T3
The type of the tuple's third component.
- T4
The type of the tuple's fourth component.
- T5
The type of the tuple's fifth component.
- Inheritance
-
Tuple<T1,T2,T3,T4,T5>
- Attributes
- Implements
A tuple is a data structure that has a specific number and sequence of values. The Tuple<T1,T2,T3,T4,T5> class represents a 5-tuple, or quintuple, which is a tuple that has five components.
You can instantiate a Tuple<T1,T2,T3,T4,T5> object by calling either the Tuple<T1,T2,T3,T4,T5> constructor or the static Tuple.Create<T1,T2,T3,T4,T5>(T1, T2, T3, T4, T5) method. You can retrieve the value of the tuple's components by using the read-only Item1, Item2, Item3, Item4, and Item5 instance properties.
Tuples are commonly used in four different ways:
To represent a single set of data. For example, a tuple can represent a database record, and its components can represent individual fields of the record.
To provide easy access to, and manipulation of, a data set. The following example defines an array of Tuple<T1,T2,T3,T4,T5> objects that contain the names of running backs in American football, the number of games in which they played, and the number of carries, total yards gained, and touchdowns scored during those games. The array is passed to the
ComputeStatistics
method, which calculates each running back's number of carries per game, average yards per game, average yards per carry, and average number of touchdowns per attempt.using System; using System.Collections.Generic; public class Example { public static void Main() { // Organization of runningBacks 5-tuple: // Component 1: Player name // Component 2: Number of games played // Component 3: Number of attempts (carries) // Component 4: Number of yards gained // Component 5: Number of touchdowns Tuple<string, int, int, int, int>[] runningBacks = { Tuple.Create("Payton, Walter", 190, 3838, 16726, 110), Tuple.Create("Sanders, Barry", 153, 3062, 15269, 99), Tuple.Create("Brown, Jim", 118, 2359, 12312, 106), Tuple.Create("Dickerson, Eric", 144, 2996, 13259, 90), Tuple.Create("Faulk, Marshall", 176, 2836, 12279, 100) }; // Calculate statistics. // Organization of runningStats 5-tuple: // Component 1: Player name // Component 2: Number of attempts per game // Component 3: Number of yards per game // Component 4: Number of yards per attempt // Component 5: Number of touchdowns per attempt Tuple<string, double, double, double, double>[] runningStats = ComputeStatistics(runningBacks); // Display the result. Console.WriteLine("{0,-16} {1,5} {2,6} {3,7} {4,7} {5,7} {6,7} {7,5} {8,7}\n", "Name", "Games", "Att", "Att/Gm", "Yards", "Yds/Gm", "Yds/Att", "TD", "TD/Att"); for (int ctr = 0; ctr < runningBacks.Length; ctr++) Console.WriteLine("{0,-16} {1,5} {2,6:N0} {3,7:N1} {4,7:N0} {5,7:N1} {6,7:N2} {7,5} {8,7:N3}\n", runningBacks[ctr].Item1, runningBacks[ctr].Item2, runningBacks[ctr].Item3, runningStats[ctr].Item2, runningBacks[ctr].Item4, runningStats[ctr].Item3, runningStats[ctr].Item4, runningBacks[ctr].Item5, runningStats[ctr].Item5); } private static Tuple<string, double, double, double, double>[] ComputeStatistics( Tuple<string, int, int, int, int>[] players) { Tuple<string, double, double, double, double> result; var list = new List<Tuple<string, double, double, double, double>>(); foreach (var player in players) { // Create result object containing player name and statistics. result = Tuple.Create(player.Item1, player.Item3/((double)player.Item2), player.Item4/((double)player.Item2), player.Item4/((double)player.Item3), player.Item5/((double)player.Item3)); list.Add(result); } return list.ToArray(); } } // The example displays the following output: // Name Games Att Att/Gm Yards Yds/Gm Yds/Att TD TD/Att // // Payton, Walter 190 3,838 20.2 16,726 88.0 4.36 110 0.029 // // Sanders, Barry 153 3,062 20.0 15,269 99.8 4.99 99 0.032 // // Brown, Jim 118 2,359 20.0 12,312 104.3 5.22 106 0.045 // // Dickerson, Eric 144 2,996 20.8 13,259 92.1 4.43 90 0.030 // // Faulk, Marshall 176 2,836 16.1 12,279 69.8 4.33 100 0.035
open System let computeStatistics (players: Tuple<string, int, int, int, int>[]) = [| for player in players do // Create result object containing player name and statistics. Tuple.Create(player.Item1, double player.Item3 / double player.Item2, double player.Item4 / double player.Item2, double player.Item4 / double player.Item3, double player.Item5 / double player.Item3) |] // Organization of runningBacks 5-tuple: // Component 1: Player name // Component 2: Number of games played // Component 3: Number of attempts (carries) // Component 4: Number of yards gained // Component 5: Number of touchdowns let runningBacks = [| Tuple.Create("Payton, Walter", 190, 3838, 16726, 110) Tuple.Create("Sanders, Barry", 153, 3062, 15269, 99) Tuple.Create("Brown, Jim", 118, 2359, 12312, 106) Tuple.Create("Dickerson, Eric", 144, 2996, 13259, 90) Tuple.Create("Faulk, Marshall", 176, 2836, 12279, 100) |] // Calculate statistics. // Organization of runningStats 5-tuple: // Component 1: Player name // Component 2: Number of attempts per game // Component 3: Number of yards per game // Component 4: Number of yards per attempt // Component 5: Number of touchdowns per attempt let runningStats = computeStatistics runningBacks // Display the result. printfn "%-16s %5s %6s %7s %7s %7s %7s %5s %7s\n" "Name" "Games" "Att" "Att/Gm" "Yards" "Yds/Gm" "Yds/Att" "TD" "TD/Att" for i = 0 to runningBacks.Length - 1 do printfn $"{runningBacks[i].Item1,-16} {runningBacks[i].Item2,5} {runningBacks[i].Item3,6:N0} {runningBacks[i].Item2,7:N1} {runningBacks[i].Item4,7:N0} {runningBacks[i].Item3,7:N1} {runningBacks[i].Item4,7:N2} {runningBacks[i].Item5,5} {runningBacks[i].Item5,7:N3}\n" // The example displays the following output: // Name Games Att Att/Gm Yards Yds/Gm Yds/Att TD TD/Att // // Payton, Walter 190 3,838 20.2 16,726 88.0 4.36 110 0.029 // // Sanders, Barry 153 3,062 20.0 15,269 99.8 4.99 99 0.032 // // Brown, Jim 118 2,359 20.0 12,312 104.3 5.22 106 0.045 // // Dickerson, Eric 144 2,996 20.8 13,259 92.1 4.43 90 0.030 // // Faulk, Marshall 176 2,836 16.1 12,279 69.8 4.33 100 0.035
Imports System.Collections.Generic Module Example Public Sub Main() ' Organization of runningBacks 5-tuple: ' Component 1: Player name ' Component 2: Number of games played ' Component 3: Number of attempts (carries) ' Component 4: Number of yards gained ' Component 5: Number of touchdowns Dim runningBacks() = { Tuple.Create("Payton, Walter", 190, 3838, 16726, 110), Tuple.Create("Sanders, Barry", 153, 3062, 15269, 99), Tuple.Create("Brown, Jim", 118, 2359, 12312, 106), Tuple.Create("Dickerson, Eric", 144, 2996, 13259, 90), Tuple.Create("Faulk, Marshall", 176, 2836, 12279, 100) } ' Calculate statistics. ' Organization of runningStats 5-tuple: ' Component 1: Player name ' Component 2: Number of attempts per game ' Component 3: Number of yards per game ' Component 4: Number of yards per attempt ' Component 5: Number of touchdowns per attempt Dim runningStats() = ComputeStatistics(runningBacks) ' Display the result. Console.WriteLine("{0,-16} {1,5} {2,6} {3,7} {4,7} {5,7} {6,7} {7,5} {8,7}", "Name", "Games", "Att", "Att/Gm", "Yards", "Yds/Gm", "Yds/Att", "TD", "TD/Att") Console.WriteLine() For ctr As Integer = 0 To runningBacks.Length - 1 Console.WriteLine("{0,-16} {1,5} {2,6:N0} {3,7:N1} {4,7:N0} {5,7:N1} {6,7:N2} {7,5} {8,7:N3}", runningBacks(ctr).Item1, runningBacks(ctr).Item2, runningBacks(ctr).Item3, runningStats(ctr).Item2, runningBacks(ctr).Item4, runningStats(ctr).Item3, runningStats(ctr).Item4, runningBacks(ctr).Item5, runningStats(ctr).Item5) Console.WriteLine() Next End Sub Private Function ComputeStatistics(players() As Tuple(Of String, Integer, Integer, Integer, Integer)) _ As Tuple(Of String, Double, Double, Double, Double)() Dim result As Tuple(Of String, Double, Double, Double, Double) Dim list As New List(Of Tuple(Of String, Double, Double, Double, Double))() For Each player In players ' Create result object containing player name and statistics. result = Tuple.Create(player.Item1, player.Item3/player.Item2, player.Item4/player.Item2, player.Item4/player.Item3, player.Item5/player.Item3) list.Add(result) Next Return list.ToArray() End Function End Module ' The example displays the following output: ' Name Games Att Att/Gm Yards Yds/Gm Yds/Att TD TD/Att ' ' Payton, Walter 190 3,838 20.2 16,726 88.0 4.36 110 0.029 ' ' Sanders, Barry 153 3,062 20.0 15,269 99.8 4.99 99 0.032 ' ' Brown, Jim 118 2,359 20.0 12,312 104.3 5.22 106 0.045 ' ' Dickerson, Eric 144 2,996 20.8 13,259 92.1 4.43 90 0.030 ' ' Faulk, Marshall 176 2,836 16.1 12,279 69.8 4.33 100 0.035
To return multiple values from a method without the use of
out
parameters (in C#) orByRef
parameters (in Visual Basic). For example, the previous example returns its computed statistics, along with the name of the player, in an array of Tuple<T1,T2,T3,T4,T5> objects.To pass multiple values to a method through a single parameter. For example, the Thread.Start(Object) method has a single parameter that lets you supply one value to the method that the thread executes at startup. If you supply a Tuple<T1,T2,T3,T4,T5> object as the method argument, you can supply the thread's startup routine with five items of data.
Tuple<T1,T2,T3,T4,T5>(T1, T2, T3, T4, T5) |
Initializes a new instance of the Tuple<T1,T2,T3,T4,T5> class. |
Item1 |
Gets the value of the current Tuple<T1,T2,T3,T4,T5> object's first component. |
Item2 |
Gets the value of the current Tuple<T1,T2,T3,T4,T5> object's second component. |
Item3 |
Gets the value of the current Tuple<T1,T2,T3,T4,T5> object's third component. |
Item4 |
Gets the value of the current Tuple<T1,T2,T3,T4,T5> object's fourth component. |
Item5 |
Gets the value of the current Tuple<T1,T2,T3,T4,T5> object's fifth component. |
Equals(Object) |
Returns a value that indicates whether the current Tuple<T1,T2,T3,T4,T5> object is equal to a specified object. |
Get |
Returns the hash code for the current Tuple<T1,T2,T3,T4,T5> object. |
Get |
Gets the Type of the current instance. (Inherited from Object) |
Memberwise |
Creates a shallow copy of the current Object. (Inherited from Object) |
To |
Returns a string that represents the value of this Tuple<T1,T2,T3,T4,T5> instance. |
IComparable. |
Compares the current Tuple<T1,T2,T3,T4,T5> object to a specified object and returns an integer that indicates whether the current object is before, after, or in the same position as the specified object in the sort order. |
IStructural |
Compares the current Tuple<T1,T2,T3,T4,T5> object to a specified object by using a specified comparer and returns an integer that indicates whether the current object is before, after, or in the same position as the specified object in the sort order. |
IStructural |
Returns a value that indicates whether the current Tuple<T1,T2,T3,T4,T5> object is equal to a specified object based on a specified comparison method. |
IStructural |
Calculates the hash code for the current Tuple<T1,T2,T3,T4,T5> object by using a specified computation method. |
ITuple. |
Gets the value of the specified |
ITuple. |
Gets the number of elements in the |
Deconstruct<T1,T2,T3,T4,T5>(Tuple<T1,T2,T3,T4,T5>, T1, T2, T3, T4, T5) |
Deconstructs a tuple with 5 elements into separate variables. |
To |
Converts an instance of the |
产品 | 版本 |
---|---|
.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 |