1 // OpenTween - Client of Twitter
2 // Copyright (c) 2017 kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
3 // All rights reserved.
5 // This file is part of OpenTween.
7 // This program is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 3 of the License, or (at your option)
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 // You should have received a copy of the GNU General Public License along
18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
20 // Boston, MA 02110-1301, USA.
23 using System.Collections;
24 using System.Collections.Generic;
27 using System.Threading.Tasks;
29 // ValueTuple が .NET Framework に追加されるまでの繋ぎのための定義
33 internal struct ValueTuple<T1, T2> : IStructuralEquatable
38 public ValueTuple(T1 item1, T2 item2)
44 bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer)
46 if (other is ValueTuple<T1, T2> otherTuple)
48 return comparer.Equals(this.Item1, otherTuple.Item1)
49 && comparer.Equals(this.Item2, otherTuple.Item2);
55 int IStructuralEquatable.GetHashCode(IEqualityComparer comparer)
56 => comparer.GetHashCode(this.Item1) ^ comparer.GetHashCode(this.Item2);
60 namespace System.Runtime.CompilerServices
62 [AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.ReturnValue | AttributeTargets.Class | AttributeTargets.Struct)]
63 internal class TupleElementNamesAttribute : Attribute
65 public IList<string> TransformNames { get; }
67 public TupleElementNamesAttribute(string[] names)
68 => this.TransformNames = names;