Tuple.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / Orcas / RTM / ndp / fx / src / xsp / System / Web / Extensions / Util / Tuple.cs / 1 / Tuple.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.Util { 
    using System; 

    internal sealed class Tuple { 
        private object[] _items;

        public Tuple(params object[] items) {
            _items = items; 
        }
 
        public object this[int index] { 
            get {
                return _items[index]; 
            }
        }

        public override int GetHashCode() { 
            if (_items.Length == 0) return 0;
            // This is the algorithm used in Whidbey to combine hashcodes. 
            // It adheres better than a simple XOR to the randomness requirement for hashcodes. 
            int hash = _items[0].GetHashCode();
            for (int i = 1; i < _items.Length; i++) { 
                hash = HashCodeCombiner.CombineHashCodes(hash, _items[i].GetHashCode());
            }
            return hash;
        } 

        public override bool Equals(object obj) { 
            if (obj == null) return false; 
            Tuple other = (Tuple)obj;
            if (other == this) return true; 
            if ((other._items.Length != _items.Length)) return false;
            for (int i = 0; i < _items.Length; i++) {
                if (!other[i].Equals(this[i])) return false;
            } 
            return true;
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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