EqualityArray.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Presentation / System / Activities / Presentation / Base / Shared / Internal / EqualityArray.cs / 1305376 / EqualityArray.cs
                        

                        
                            namespace System.Activities.Presentation.Internal { 

    using System.Diagnostics;
    using System.Runtime;
 
    //
    // An EqualityArray is an array of objects whose 
    // .Equals method runs against all items in the 
    // array.  It is assumed that the data input
    // into the array is constant.  We use this in attributes 
    // to offer a quick and accurate TypeId property.
    //
    internal class EqualityArray {
        private object[] _values; 

        internal EqualityArray(params object[] values) { 
            _values = values; 
            Fx.Assert(_values != null && _values.Length > 0, "EqualityArray expects at least one value");
        } 

        public override bool Equals(object other) {
            EqualityArray otherArray = other as EqualityArray;
            if (otherArray == null) return false; 
            if (otherArray._values.Length != _values.Length) return false;
            for (int idx = 0; idx < _values.Length; idx++) { 
                if (_values[idx] != otherArray._values[idx]) return false; 
            }
            return true; 
        }

        public override int GetHashCode() {
            return _values[0].GetHashCode(); 
        }
    } 
} 


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

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