// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
#nullable disable
 
using System.Collections.Generic;
using Microsoft.CodeAnalysis.CSharp.Syntax;
 
namespace Microsoft.CodeAnalysis.CSharp.Extensions
{
    internal partial class DirectiveSyntaxExtensions
    {
        private class DirectiveSyntaxEqualityComparer : IEqualityComparer<DirectiveTriviaSyntax>
        {
            public static readonly DirectiveSyntaxEqualityComparer Instance = new();
 
            private DirectiveSyntaxEqualityComparer()
            {
            }
 
            public bool Equals(DirectiveTriviaSyntax x, DirectiveTriviaSyntax y)
                => x.SpanStart == y.SpanStart;
 
            public int GetHashCode(DirectiveTriviaSyntax obj)
                => obj.SpanStart;
        }
    }
}