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2025-01-25 04:38:09 +08:00

1204 lines
36 KiB
C#

//
// Tuples.cs
//
// Authors:
// Zoltan Varga (vargaz@gmail.com)
// Marek Safar (marek.safar@gmail.com)
//
// Copyright (C) 2009 Novell
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Collections.Generic;
namespace System
{
public partial class Tuple<T1, T2, T3, T4, T5, T6, T7, TRest>
{
public Tuple (T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7, TRest rest)
{
this.item1 = item1;
this.item2 = item2;
this.item3 = item3;
this.item4 = item4;
this.item5 = item5;
this.item6 = item6;
this.item7 = item7;
this.rest = rest;
bool ok = true;
if (!typeof (TRest).IsGenericType)
ok = false;
if (ok)
{
Type t = typeof (TRest).GetGenericTypeDefinition ();
if (!(t == typeof (Tuple<>) || t == typeof (Tuple<,>) || t == typeof (Tuple<,,>) || t == typeof (Tuple<,,,>) || t == typeof (Tuple<,,,,>) || t == typeof (Tuple<,,,,,>) || t == typeof (Tuple<,,,,,,>) || t == typeof (Tuple<,,,,,,,>)))
ok = false;
}
if (!ok)
throw new ArgumentException ("rest", "The last element of an eight element tuple must be a Tuple.");
}
}
/* The rest is generated by the script at the bottom */
[Serializable]
public class Tuple<T1> : IStructuralEquatable, IStructuralComparable, IComparable
{
T1 item1;
public Tuple (T1 item1)
{
this.item1 = item1;
}
public T1 Item1
{
get { return item1; }
}
int IComparable.CompareTo (object obj)
{
return ((IStructuralComparable)this).CompareTo (obj, Comparer<object>.Default);
}
int IStructuralComparable.CompareTo (object other, IComparer comparer)
{
var t = other as Tuple<T1>;
if (t == null)
{
if (other == null) return 1;
throw new ArgumentException ("other");
}
return comparer.Compare (item1, t.item1);
}
public override bool Equals (object obj)
{
return ((IStructuralEquatable)this).Equals (obj, EqualityComparer<object>.Default);
}
bool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)
{
var t = other as Tuple<T1>;
if (t == null)
return false;
return comparer.Equals (item1, t.item1);
}
public override int GetHashCode ()
{
return ((IStructuralEquatable)this).GetHashCode (EqualityComparer<object>.Default);
}
int IStructuralEquatable.GetHashCode (IEqualityComparer comparer)
{
return comparer.GetHashCode (item1);
}
public override string ToString ()
{
return String.Format ("({0})", item1);
}
}
[Serializable]
public class Tuple<T1, T2> : IStructuralEquatable, IStructuralComparable, IComparable
{
T1 item1;
T2 item2;
public Tuple (T1 item1, T2 item2)
{
this.item1 = item1;
this.item2 = item2;
}
public T1 Item1
{
get { return item1; }
}
public T2 Item2
{
get { return item2; }
}
int IComparable.CompareTo (object obj)
{
return ((IStructuralComparable)this).CompareTo (obj, Comparer<object>.Default);
}
int IStructuralComparable.CompareTo (object other, IComparer comparer)
{
var t = other as Tuple<T1, T2>;
if (t == null)
{
if (other == null) return 1;
throw new ArgumentException ("other");
}
int res = comparer.Compare (item1, t.item1);
if (res != 0) return res;
return comparer.Compare (item2, t.item2);
}
public override bool Equals (object obj)
{
return ((IStructuralEquatable)this).Equals (obj, EqualityComparer<object>.Default);
}
bool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)
{
var t = other as Tuple<T1, T2>;
if (t == null)
return false;
return comparer.Equals (item1, t.item1) &&
comparer.Equals (item2, t.item2);
}
public override int GetHashCode ()
{
return ((IStructuralEquatable)this).GetHashCode (EqualityComparer<object>.Default);
}
int IStructuralEquatable.GetHashCode (IEqualityComparer comparer)
{
int h = comparer.GetHashCode (item1);
h = (h << 5) - h + comparer.GetHashCode (item2);
return h;
}
public override string ToString ()
{
return String.Format ("({0}, {1})", item1, item2);
}
}
[Serializable]
public class Tuple<T1, T2, T3> : IStructuralEquatable, IStructuralComparable, IComparable
{
T1 item1;
T2 item2;
T3 item3;
public Tuple (T1 item1, T2 item2, T3 item3)
{
this.item1 = item1;
this.item2 = item2;
this.item3 = item3;
}
public T1 Item1
{
get { return item1; }
}
public T2 Item2
{
get { return item2; }
}
public T3 Item3
{
get { return item3; }
}
int IComparable.CompareTo (object obj)
{
return ((IStructuralComparable)this).CompareTo (obj, Comparer<object>.Default);
}
int IStructuralComparable.CompareTo (object other, IComparer comparer)
{
var t = other as Tuple<T1, T2, T3>;
if (t == null)
{
if (other == null) return 1;
throw new ArgumentException ("other");
}
int res = comparer.Compare (item1, t.item1);
if (res != 0) return res;
res = comparer.Compare (item2, t.item2);
if (res != 0) return res;
return comparer.Compare (item3, t.item3);
}
public override bool Equals (object obj)
{
return ((IStructuralEquatable)this).Equals (obj, EqualityComparer<object>.Default);
}
bool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)
{
var t = other as Tuple<T1, T2, T3>;
if (t == null)
return false;
return comparer.Equals (item1, t.item1) &&
comparer.Equals (item2, t.item2) &&
comparer.Equals (item3, t.item3);
}
public override int GetHashCode ()
{
return ((IStructuralEquatable)this).GetHashCode (EqualityComparer<object>.Default);
}
int IStructuralEquatable.GetHashCode (IEqualityComparer comparer)
{
int h = comparer.GetHashCode (item1);
h = (h << 5) - h + comparer.GetHashCode (item2);
h = (h << 5) - h + comparer.GetHashCode (item3);
return h;
}
public override string ToString ()
{
return String.Format ("({0}, {1}, {2})", item1, item2, item3);
}
}
[Serializable]
public class Tuple<T1, T2, T3, T4> : IStructuralEquatable, IStructuralComparable, IComparable
{
T1 item1;
T2 item2;
T3 item3;
T4 item4;
public Tuple (T1 item1, T2 item2, T3 item3, T4 item4)
{
this.item1 = item1;
this.item2 = item2;
this.item3 = item3;
this.item4 = item4;
}
public T1 Item1
{
get { return item1; }
}
public T2 Item2
{
get { return item2; }
}
public T3 Item3
{
get { return item3; }
}
public T4 Item4
{
get { return item4; }
}
int IComparable.CompareTo (object obj)
{
return ((IStructuralComparable)this).CompareTo (obj, Comparer<object>.Default);
}
int IStructuralComparable.CompareTo (object other, IComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4>;
if (t == null)
{
if (other == null) return 1;
throw new ArgumentException ("other");
}
int res = comparer.Compare (item1, t.item1);
if (res != 0) return res;
res = comparer.Compare (item2, t.item2);
if (res != 0) return res;
res = comparer.Compare (item3, t.item3);
if (res != 0) return res;
return comparer.Compare (item4, t.item4);
}
public override bool Equals (object obj)
{
return ((IStructuralEquatable)this).Equals (obj, EqualityComparer<object>.Default);
}
bool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4>;
if (t == null)
return false;
return comparer.Equals (item1, t.item1) &&
comparer.Equals (item2, t.item2) &&
comparer.Equals (item3, t.item3) &&
comparer.Equals (item4, t.item4);
}
public override int GetHashCode ()
{
return ((IStructuralEquatable)this).GetHashCode (EqualityComparer<object>.Default);
}
int IStructuralEquatable.GetHashCode (IEqualityComparer comparer)
{
int h = comparer.GetHashCode (item1);
h = (h << 5) - h + comparer.GetHashCode (item2);
h = (h << 5) - h + comparer.GetHashCode (item3);
h = (h << 5) - h + comparer.GetHashCode (item4);
return h;
}
public override string ToString ()
{
return String.Format ("({0}, {1}, {2}, {3})", item1, item2, item3, item4);
}
}
[Serializable]
public class Tuple<T1, T2, T3, T4, T5> : IStructuralEquatable, IStructuralComparable, IComparable
{
T1 item1;
T2 item2;
T3 item3;
T4 item4;
T5 item5;
public Tuple (T1 item1, T2 item2, T3 item3, T4 item4, T5 item5)
{
this.item1 = item1;
this.item2 = item2;
this.item3 = item3;
this.item4 = item4;
this.item5 = item5;
}
public T1 Item1
{
get { return item1; }
}
public T2 Item2
{
get { return item2; }
}
public T3 Item3
{
get { return item3; }
}
public T4 Item4
{
get { return item4; }
}
public T5 Item5
{
get { return item5; }
}
int IComparable.CompareTo (object obj)
{
return ((IStructuralComparable)this).CompareTo (obj, Comparer<object>.Default);
}
int IStructuralComparable.CompareTo (object other, IComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4, T5>;
if (t == null)
{
if (other == null) return 1;
throw new ArgumentException ("other");
}
int res = comparer.Compare (item1, t.item1);
if (res != 0) return res;
res = comparer.Compare (item2, t.item2);
if (res != 0) return res;
res = comparer.Compare (item3, t.item3);
if (res != 0) return res;
res = comparer.Compare (item4, t.item4);
if (res != 0) return res;
return comparer.Compare (item5, t.item5);
}
public override bool Equals (object obj)
{
return ((IStructuralEquatable)this).Equals (obj, EqualityComparer<object>.Default);
}
bool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4, T5>;
if (t == null)
return false;
return comparer.Equals (item1, t.item1) &&
comparer.Equals (item2, t.item2) &&
comparer.Equals (item3, t.item3) &&
comparer.Equals (item4, t.item4) &&
comparer.Equals (item5, t.item5);
}
public override int GetHashCode ()
{
return ((IStructuralEquatable)this).GetHashCode (EqualityComparer<object>.Default);
}
int IStructuralEquatable.GetHashCode (IEqualityComparer comparer)
{
int h = comparer.GetHashCode (item1);
h = (h << 5) - h + comparer.GetHashCode (item2);
h = (h << 5) - h + comparer.GetHashCode (item3);
h = (h << 5) - h + comparer.GetHashCode (item4);
h = (h << 5) - h + comparer.GetHashCode (item5);
return h;
}
public override string ToString ()
{
return String.Format ("({0}, {1}, {2}, {3}, {4})", item1, item2, item3, item4, item5);
}
}
[Serializable]
public class Tuple<T1, T2, T3, T4, T5, T6> : IStructuralEquatable, IStructuralComparable, IComparable
{
T1 item1;
T2 item2;
T3 item3;
T4 item4;
T5 item5;
T6 item6;
public Tuple (T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6)
{
this.item1 = item1;
this.item2 = item2;
this.item3 = item3;
this.item4 = item4;
this.item5 = item5;
this.item6 = item6;
}
public T1 Item1
{
get { return item1; }
}
public T2 Item2
{
get { return item2; }
}
public T3 Item3
{
get { return item3; }
}
public T4 Item4
{
get { return item4; }
}
public T5 Item5
{
get { return item5; }
}
public T6 Item6
{
get { return item6; }
}
int IComparable.CompareTo (object obj)
{
return ((IStructuralComparable)this).CompareTo (obj, Comparer<object>.Default);
}
int IStructuralComparable.CompareTo (object other, IComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4, T5, T6>;
if (t == null)
{
if (other == null) return 1;
throw new ArgumentException ("other");
}
int res = comparer.Compare (item1, t.item1);
if (res != 0) return res;
res = comparer.Compare (item2, t.item2);
if (res != 0) return res;
res = comparer.Compare (item3, t.item3);
if (res != 0) return res;
res = comparer.Compare (item4, t.item4);
if (res != 0) return res;
res = comparer.Compare (item5, t.item5);
if (res != 0) return res;
return comparer.Compare (item6, t.item6);
}
public override bool Equals (object obj)
{
return ((IStructuralEquatable)this).Equals (obj, EqualityComparer<object>.Default);
}
bool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4, T5, T6>;
if (t == null)
return false;
return comparer.Equals (item1, t.item1) &&
comparer.Equals (item2, t.item2) &&
comparer.Equals (item3, t.item3) &&
comparer.Equals (item4, t.item4) &&
comparer.Equals (item5, t.item5) &&
comparer.Equals (item6, t.item6);
}
public override int GetHashCode ()
{
return ((IStructuralEquatable)this).GetHashCode (EqualityComparer<object>.Default);
}
int IStructuralEquatable.GetHashCode (IEqualityComparer comparer)
{
int h = comparer.GetHashCode (item1);
h = (h << 5) - h + comparer.GetHashCode (item2);
h = (h << 5) - h + comparer.GetHashCode (item3);
h = (h << 5) - h + comparer.GetHashCode (item4);
h = (h << 5) - h + comparer.GetHashCode (item5);
h = (h << 5) - h + comparer.GetHashCode (item6);
return h;
}
public override string ToString ()
{
return String.Format ("({0}, {1}, {2}, {3}, {4}, {5})", item1, item2, item3, item4, item5, item6);
}
}
[Serializable]
public class Tuple<T1, T2, T3, T4, T5, T6, T7> : IStructuralEquatable, IStructuralComparable, IComparable
{
T1 item1;
T2 item2;
T3 item3;
T4 item4;
T5 item5;
T6 item6;
T7 item7;
public Tuple (T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7)
{
this.item1 = item1;
this.item2 = item2;
this.item3 = item3;
this.item4 = item4;
this.item5 = item5;
this.item6 = item6;
this.item7 = item7;
}
public T1 Item1
{
get { return item1; }
}
public T2 Item2
{
get { return item2; }
}
public T3 Item3
{
get { return item3; }
}
public T4 Item4
{
get { return item4; }
}
public T5 Item5
{
get { return item5; }
}
public T6 Item6
{
get { return item6; }
}
public T7 Item7
{
get { return item7; }
}
int IComparable.CompareTo (object obj)
{
return ((IStructuralComparable)this).CompareTo (obj, Comparer<object>.Default);
}
int IStructuralComparable.CompareTo (object other, IComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4, T5, T6, T7>;
if (t == null)
{
if (other == null) return 1;
throw new ArgumentException ("other");
}
int res = comparer.Compare (item1, t.item1);
if (res != 0) return res;
res = comparer.Compare (item2, t.item2);
if (res != 0) return res;
res = comparer.Compare (item3, t.item3);
if (res != 0) return res;
res = comparer.Compare (item4, t.item4);
if (res != 0) return res;
res = comparer.Compare (item5, t.item5);
if (res != 0) return res;
res = comparer.Compare (item6, t.item6);
if (res != 0) return res;
return comparer.Compare (item7, t.item7);
}
public override bool Equals (object obj)
{
return ((IStructuralEquatable)this).Equals (obj, EqualityComparer<object>.Default);
}
bool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4, T5, T6, T7>;
if (t == null)
return false;
return comparer.Equals (item1, t.item1) &&
comparer.Equals (item2, t.item2) &&
comparer.Equals (item3, t.item3) &&
comparer.Equals (item4, t.item4) &&
comparer.Equals (item5, t.item5) &&
comparer.Equals (item6, t.item6) &&
comparer.Equals (item7, t.item7);
}
public override int GetHashCode ()
{
return ((IStructuralEquatable)this).GetHashCode (EqualityComparer<object>.Default);
}
int IStructuralEquatable.GetHashCode (IEqualityComparer comparer)
{
int h = comparer.GetHashCode (item1);
h = (h << 5) - h + comparer.GetHashCode (item2);
h = (h << 5) - h + comparer.GetHashCode (item3);
h = (h << 5) - h + comparer.GetHashCode (item4);
h = (h << 5) - h + comparer.GetHashCode (item5);
h = (h << 5) - h + comparer.GetHashCode (item6);
h = (h << 5) - h + comparer.GetHashCode (item7);
return h;
}
public override string ToString ()
{
return String.Format ("({0}, {1}, {2}, {3}, {4}, {5}, {6})", item1, item2, item3, item4, item5, item6, item7);
}
}
[Serializable]
public partial class Tuple<T1, T2, T3, T4, T5, T6, T7, TRest> : IStructuralEquatable, IStructuralComparable, IComparable
{
T1 item1;
T2 item2;
T3 item3;
T4 item4;
T5 item5;
T6 item6;
T7 item7;
TRest rest;
public T1 Item1
{
get { return item1; }
}
public T2 Item2
{
get { return item2; }
}
public T3 Item3
{
get { return item3; }
}
public T4 Item4
{
get { return item4; }
}
public T5 Item5
{
get { return item5; }
}
public T6 Item6
{
get { return item6; }
}
public T7 Item7
{
get { return item7; }
}
public TRest Rest
{
get { return rest; }
}
int IComparable.CompareTo (object obj)
{
return ((IStructuralComparable)this).CompareTo (obj, Comparer<object>.Default);
}
int IStructuralComparable.CompareTo (object other, IComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4, T5, T6, T7, TRest>;
if (t == null)
{
if (other == null) return 1;
throw new ArgumentException ("other");
}
int res = comparer.Compare (item1, t.item1);
if (res != 0) return res;
res = comparer.Compare (item2, t.item2);
if (res != 0) return res;
res = comparer.Compare (item3, t.item3);
if (res != 0) return res;
res = comparer.Compare (item4, t.item4);
if (res != 0) return res;
res = comparer.Compare (item5, t.item5);
if (res != 0) return res;
res = comparer.Compare (item6, t.item6);
if (res != 0) return res;
res = comparer.Compare (item7, t.item7);
if (res != 0) return res;
return comparer.Compare (rest, t.rest);
}
public override bool Equals (object obj)
{
return ((IStructuralEquatable)this).Equals (obj, EqualityComparer<object>.Default);
}
bool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)
{
var t = other as Tuple<T1, T2, T3, T4, T5, T6, T7, TRest>;
if (t == null)
return false;
return comparer.Equals (item1, t.item1) &&
comparer.Equals (item2, t.item2) &&
comparer.Equals (item3, t.item3) &&
comparer.Equals (item4, t.item4) &&
comparer.Equals (item5, t.item5) &&
comparer.Equals (item6, t.item6) &&
comparer.Equals (item7, t.item7) &&
comparer.Equals (rest, t.rest);
}
public override int GetHashCode ()
{
return ((IStructuralEquatable)this).GetHashCode (EqualityComparer<object>.Default);
}
int IStructuralEquatable.GetHashCode (IEqualityComparer comparer)
{
int h = comparer.GetHashCode (item1);
h = (h << 5) - h + comparer.GetHashCode (item2);
h = (h << 5) - h + comparer.GetHashCode (item3);
h = (h << 5) - h + comparer.GetHashCode (item4);
h = (h << 5) - h + comparer.GetHashCode (item5);
h = (h << 5) - h + comparer.GetHashCode (item6);
h = (h << 5) - h + comparer.GetHashCode (item7);
h = (h << 5) - h + comparer.GetHashCode (rest);
return h;
}
public override string ToString ()
{
return String.Format ("({0}, {1}, {2}, {3}, {4}, {5}, {6}, {7})", item1, item2, item3, item4, item5, item6, item7, rest);
}
}
}
/// <summary>Provides static methods for creating tuple objects. </summary>
public static class Tuple
{
internal static int CombineHashCodes (int h1, int h2)
{
return (((h1 << 5) + h1) ^ h2);
}
internal static int CombineHashCodes (int h1, int h2, int h3)
{
return CombineHashCodes (CombineHashCodes (h1, h2), h3);
}
internal static int CombineHashCodes (int h1, int h2, int h3, int h4)
{
return CombineHashCodes (CombineHashCodes (h1, h2), CombineHashCodes (h3, h4));
}
internal static int CombineHashCodes (int h1, int h2, int h3, int h4, int h5)
{
return CombineHashCodes (CombineHashCodes (h1, h2, h3, h4), h5);
}
internal static int CombineHashCodes (int h1, int h2, int h3, int h4, int h5, int h6)
{
return CombineHashCodes (CombineHashCodes (h1, h2, h3, h4), CombineHashCodes (h5, h6));
}
internal static int CombineHashCodes (int h1, int h2, int h3, int h4, int h5, int h6, int h7)
{
return CombineHashCodes (CombineHashCodes (h1, h2, h3, h4), CombineHashCodes (h5, h6, h7));
}
internal static int CombineHashCodes (int h1, int h2, int h3, int h4, int h5, int h6, int h7, int h8)
{
return CombineHashCodes (CombineHashCodes (h1, h2, h3, h4), CombineHashCodes (h5, h6, h7, h8));
}
/// <summary>Creates a new 1-tuple, or singleton.</summary>
/// <returns>A tuple whose value is (<paramref name="item1" />).</returns>
/// <param name="item1">The value of the only component of the tuple.</param>
/// <typeparam name="T1">The type of the only component of the tuple.</typeparam>
public static Tuple<T1> Create<T1> (T1 item1)
{
return new Tuple<T1> (item1);
}
/// <summary>Creates a new 2-tuple, or pair.</summary>
/// <returns>A 2-tuple whose value is (<paramref name="item1" />, <paramref name="item2" />).</returns>
/// <param name="item1">The value of the first component of the tuple.</param>
/// <param name="item2">The value of the second component of the tuple.</param>
/// <typeparam name="T1">The type of the first component of the tuple.</typeparam>
/// <typeparam name="T2">The type of the second component of the tuple.</typeparam>
public static Tuple<T1, T2> Create<T1, T2> (T1 item1, T2 item2)
{
return new Tuple<T1, T2> (item1, item2);
}
/// <summary>Creates a new 3-tuple, or triple.</summary>
/// <returns>A 3-tuple whose value is (<paramref name="item1" />, <paramref name="item2" />, <paramref name="item3" />).</returns>
/// <param name="item1">The value of the first component of the tuple.</param>
/// <param name="item2">The value of the second component of the tuple.</param>
/// <param name="item3">The value of the third component of the tuple.</param>
/// <typeparam name="T1">The type of the first component of the tuple.</typeparam>
/// <typeparam name="T2">The type of the second component of the tuple.</typeparam>
/// <typeparam name="T3">The type of the third component of the tuple.</typeparam>
public static Tuple<T1, T2, T3> Create<T1, T2, T3> (T1 item1, T2 item2, T3 item3)
{
return new Tuple<T1, T2, T3> (item1, item2, item3);
}
/// <summary>Creates a new 4-tuple, or quadruple.</summary>
/// <returns>A 4-tuple whose value is (<paramref name="item1" />, <paramref name="item2" />, <paramref name="item3" />, <paramref name="item4" />).</returns>
/// <param name="item1">The value of the first component of the tuple.</param>
/// <param name="item2">The value of the second component of the tuple.</param>
/// <param name="item3">The value of the third component of the tuple.</param>
/// <param name="item4">The value of the fourth component of the tuple.</param>
/// <typeparam name="T1">The type of the first component of the tuple.</typeparam>
/// <typeparam name="T2">The type of the second component of the tuple.</typeparam>
/// <typeparam name="T3">The type of the third component of the tuple.</typeparam>
/// <typeparam name="T4">The type of the fourth component of the tuple. </typeparam>
public static Tuple<T1, T2, T3, T4> Create<T1, T2, T3, T4> (T1 item1, T2 item2, T3 item3, T4 item4)
{
return new Tuple<T1, T2, T3, T4> (item1, item2, item3, item4);
}
/// <summary>Creates a new 5-tuple, or quintuple.</summary>
/// <returns>A 5-tuple whose value is (<paramref name="item1" />, <paramref name="item2" />, <paramref name="item3" />, <paramref name="item4" />, <paramref name="item5" />).</returns>
/// <param name="item1">The value of the first component of the tuple.</param>
/// <param name="item2">The value of the second component of the tuple.</param>
/// <param name="item3">The value of the third component of the tuple.</param>
/// <param name="item4">The value of the fourth component of the tuple.</param>
/// <param name="item5">The value of the fifth component of the tuple.</param>
/// <typeparam name="T1">The type of the first component of the tuple.</typeparam>
/// <typeparam name="T2">The type of the second component of the tuple.</typeparam>
/// <typeparam name="T3">The type of the third component of the tuple.</typeparam>
/// <typeparam name="T4">The type of the fourth component of the tuple.</typeparam>
/// <typeparam name="T5">The type of the fifth component of the tuple.</typeparam>
public static Tuple<T1, T2, T3, T4, T5> Create<T1, T2, T3, T4, T5> (T1 item1, T2 item2, T3 item3, T4 item4, T5 item5)
{
return new Tuple<T1, T2, T3, T4, T5> (item1, item2, item3, item4, item5);
}
/// <summary>Creates a new 6-tuple, or sextuple.</summary>
/// <returns>A 6-tuple whose value is (<paramref name="item1" />, <paramref name="item2" />, <paramref name="item3" />, <paramref name="item4" />, <paramref name="item5" />, <paramref name="item6" />).</returns>
/// <param name="item1">The value of the first component of the tuple.</param>
/// <param name="item2">The value of the second component of the tuple.</param>
/// <param name="item3">The value of the third component of the tuple.</param>
/// <param name="item4">The value of the fourth component of the tuple.</param>
/// <param name="item5">The value of the fifth component of the tuple.</param>
/// <param name="item6">The value of the sixth component of the tuple.</param>
/// <typeparam name="T1">The type of the first component of the tuple.</typeparam>
/// <typeparam name="T2">The type of the second component of the tuple.</typeparam>
/// <typeparam name="T3">The type of the third component of the tuple.</typeparam>
/// <typeparam name="T4">The type of the fourth component of the tuple.</typeparam>
/// <typeparam name="T5">The type of the fifth component of the tuple.</typeparam>
/// <typeparam name="T6">The type of the sixth component of the tuple.</typeparam>
public static Tuple<T1, T2, T3, T4, T5, T6> Create<T1, T2, T3, T4, T5, T6> (T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6)
{
return new Tuple<T1, T2, T3, T4, T5, T6> (item1, item2, item3, item4, item5, item6);
}
/// <summary>Creates a new 7-tuple, or septuple.</summary>
/// <returns>A 7-tuple whose value is (<paramref name="item1" />, <paramref name="item2" />, <paramref name="item3" />, <paramref name="item4" />, <paramref name="item5" />, <paramref name="item6" />, <paramref name="item7" />).</returns>
/// <param name="item1">The value of the first component of the tuple.</param>
/// <param name="item2">The value of the second component of the tuple.</param>
/// <param name="item3">The value of the third component of the tuple.</param>
/// <param name="item4">The value of the fourth component of the tuple.</param>
/// <param name="item5">The value of the fifth component of the tuple.</param>
/// <param name="item6">The value of the sixth component of the tuple.</param>
/// <param name="item7">The value of the seventh component of the tuple.</param>
/// <typeparam name="T1">The type of the first component of the tuple.</typeparam>
/// <typeparam name="T2">The type of the second component of the tuple.</typeparam>
/// <typeparam name="T3">The type of the third component of the tuple.</typeparam>
/// <typeparam name="T4">The type of the fourth component of the tuple.</typeparam>
/// <typeparam name="T5">The type of the fifth component of the tuple.</typeparam>
/// <typeparam name="T6">The type of the sixth component of the tuple.</typeparam>
/// <typeparam name="T7">The type of the seventh component of the tuple.</typeparam>
public static Tuple<T1, T2, T3, T4, T5, T6, T7> Create<T1, T2, T3, T4, T5, T6, T7> (T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7)
{
return new Tuple<T1, T2, T3, T4, T5, T6, T7> (item1, item2, item3, item4, item5, item6, item7);
}
/// <summary>Creates a new 8-tuple, or octuple.</summary>
/// <returns>An 8-tuple (octuple) whose value is (<paramref name="item1" />, <paramref name="item2" />, <paramref name="item3" />, <paramref name="item4" />, <paramref name="item5" />, <paramref name="item6" />, <paramref name="item7" />, <paramref name="item8" />). </returns>
/// <param name="item1">The value of the first component of the tuple.</param>
/// <param name="item2">The value of the second component of the tuple.</param>
/// <param name="item3">The value of the third component of the tuple.</param>
/// <param name="item4">The value of the fourth component of the tuple.</param>
/// <param name="item5">The value of the fifth component of the tuple.</param>
/// <param name="item6">The value of the sixth component of the tuple.</param>
/// <param name="item7">The value of the seventh component of the tuple.</param>
/// <param name="item8">The value of the eighth component of the tuple.</param>
/// <typeparam name="T1">The type of the first component of the tuple.</typeparam>
/// <typeparam name="T2">The type of the second component of the tuple.</typeparam>
/// <typeparam name="T3">The type of the third component of the tuple.</typeparam>
/// <typeparam name="T4">The type of the fourth component of the tuple.</typeparam>
/// <typeparam name="T5">The type of the fifth component of the tuple.</typeparam>
/// <typeparam name="T6">The type of the sixth component of the tuple.</typeparam>
/// <typeparam name="T7">The type of the seventh component of the tuple.</typeparam>
/// <typeparam name="T8">The type of the eighth component of the tuple.</typeparam>
public static Tuple<T1, T2, T3, T4, T5, T6, T7, Tuple<T8>> Create<T1, T2, T3, T4, T5, T6, T7, T8> (T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7, T8 item8)
{
return new Tuple<T1, T2, T3, T4, T5, T6, T7, Tuple<T8>> (item1, item2, item3, item4, item5, item6, item7, new Tuple<T8> (item8));
}
}
#if FALSE
//
// generator script
//
using System;
using System.Text;
public class TupleGen
{
public static void Main () {
for (int arity = 1; arity < 9; ++arity) {
string type_name = GetTypeName (arity);
Console.WriteLine ("\t[Serializable]");
Console.Write ("\tpublic {0}class ", arity < 8 ? null : "partial ");
Console.Write (type_name);
Console.WriteLine (" : IStructuralEquatable, IStructuralComparable, IComparable");
Console.WriteLine ("\t{");
for (int i = 1; i <= arity; ++i)
Console.WriteLine ("\t\t{0} {1};", GetItemTypeName (i), GetItemName (i));
if (arity < 8) {
Console.WriteLine ();
Console.Write ("\t\tpublic Tuple (");
for (int i = 1; i <= arity; ++i) {
Console.Write ("{0} {1}", GetItemTypeName (i), GetItemName (i));
if (i < arity)
Console.Write (", ");
}
Console.WriteLine (")");
Console.WriteLine ("\t\t{");
for (int i = 1; i <= arity; ++i)
Console.WriteLine ("\t\t\t this.{0} = {0};", GetItemName (i));
Console.WriteLine ("\t\t}");
}
for (int i = 1; i <= arity; ++i) {
Console.WriteLine ();
Console.WriteLine ("\t\tpublic {0} {1} {{", GetItemTypeName (i),
System.Globalization.CultureInfo.InvariantCulture.TextInfo.ToTitleCase (GetItemName (i)));
Console.Write ("\t\t\tget { ");
Console.WriteLine ("return {0}; }}", GetItemName (i));
Console.WriteLine ("\t\t}");
}
Console.WriteLine ();
Console.WriteLine ("\t\tint IComparable.CompareTo (object obj)");
Console.WriteLine ("\t\t{");
Console.WriteLine ("\t\t\treturn ((IStructuralComparable) this).CompareTo (obj, Comparer<object>.Default);");
Console.WriteLine ("\t\t}");
Console.WriteLine ();
Console.WriteLine ("\t\tint IStructuralComparable.CompareTo (object other, IComparer comparer)");
Console.WriteLine ("\t\t{");
Console.WriteLine ("\t\t\tvar t = other as {0};", type_name);
Console.WriteLine ("\t\t\tif (t == null) {");
Console.WriteLine ("\t\t\t\tif (other == null) return 1;");
Console.WriteLine ("\t\t\t\tthrow new ArgumentException ("other");");
Console.WriteLine ("\t\t\t}");
Console.WriteLine ();
for (int i = 1; i < arity; ++i) {
Console.Write ("\t\t\t");
if (i == 1)
Console.Write ("int ");
Console.WriteLine ("res = comparer.Compare ({0}, t.{0});", GetItemName (i));
Console.WriteLine ("\t\t\tif (res != 0) return res;");
}
Console.WriteLine ("\t\t\treturn comparer.Compare ({0}, t.{0});", GetItemName (arity));
Console.WriteLine ("\t\t}");
Console.WriteLine ();
Console.WriteLine ("\t\tpublic override bool Equals (object obj)");
Console.WriteLine ("\t\t{");
Console.WriteLine ("\t\t\treturn ((IStructuralEquatable) this).Equals (obj, EqualityComparer<object>.Default);");
Console.WriteLine ("\t\t}");
Console.WriteLine ();
Console.WriteLine ("\t\tbool IStructuralEquatable.Equals (object other, IEqualityComparer comparer)");
Console.WriteLine ("\t\t{");
Console.WriteLine ("\t\t\tvar t = other as {0};", type_name);
Console.WriteLine ("\t\t\tif (t == null)");
Console.WriteLine ("\t\t\t\treturn false;");
Console.WriteLine ();
Console.Write ("\t\t\treturn");
for (int i = 1; i <= arity; ++i) {
if (i == 1)
Console.Write (" ");
else
Console.Write ("\t\t\t\t");
Console.Write ("comparer.Equals ({0}, t.{0})", GetItemName (i));
if (i != arity)
Console.WriteLine (" &&");
else
Console.WriteLine (";");
}
Console.WriteLine ("\t\t}");
Console.WriteLine ();
Console.WriteLine ("\t\tpublic override int GetHashCode ()");
Console.WriteLine ("\t\t{");
Console.WriteLine ("\t\t\treturn ((IStructuralEquatable) this).GetHashCode (EqualityComparer<object>.Default);");
Console.WriteLine ("\t\t}");
Console.WriteLine ();
Console.WriteLine ("\t\tint IStructuralEquatable.GetHashCode (IEqualityComparer comparer)");
Console.WriteLine ("\t\t{");
if (arity == 1) {
Console.WriteLine ("\t\t\treturn comparer.GetHashCode ({0});", GetItemName (arity));
} else {
Console.WriteLine ("\t\t\tint h = comparer.GetHashCode ({0});", GetItemName (1));
for (int i = 2; i <= arity; ++i)
Console.WriteLine ("\t\t\th = (h << 5) - h + comparer.GetHashCode ({0});", GetItemName (i));
Console.WriteLine ("\t\t\treturn h;");
}
Console.WriteLine ("\t\t}");
Console.WriteLine ();
Console.WriteLine ("\t\tpublic override string ToString ()");
Console.WriteLine ("\t\t{");
Console.Write ("\t\t\treturn String.Format (\"(");
for (int i = 1; i <= arity; ++i) {
Console.Write ("{" + (i - 1) + "}");
if (i < arity)
Console.Write (", ");
}
Console.Write (")\", ");
for (int i = 1; i <= arity; ++i) {
Console.Write (GetItemName (i));
if (i < arity)
Console.Write (", ");
}
Console.WriteLine (");");
Console.WriteLine ("\t\t}");
Console.WriteLine ("\t}\n");
}
}
static string GetTypeName (int arity)
{
StringBuilder sb = new StringBuilder ();
sb.Append ("Tuple<");
for (int i = 1; i <= arity; ++i) {
sb.Append (GetItemTypeName (i));
if (i < arity)
sb.Append (", ");
}
sb.Append (">");
return sb.ToString ();
}
static string GetItemName (int arity)
{
return arity < 8 ? "item" + arity.ToString () : "rest";
}
static string GetItemTypeName (int arity)
{
return arity < 8 ? "T" + arity.ToString () : "TRest";
}
}
#endif