// 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.
 
using System;
using Microsoft.CodeAnalysis.Shared.Utilities;
 
namespace Microsoft.CodeAnalysis.Completion.Providers
{
    internal abstract partial class AbstractSymbolCompletionProvider<TSyntaxContext>
    {
        // The equality of this type is only used when we try to figure out missing symbols
        // among linked files, therefore delegate to CompletionLinkedFilesSymbolEquivalenceComparer
        protected readonly record struct SymbolAndSelectionInfo(ISymbol Symbol, bool Preselect)
        {
            public bool Equals(SymbolAndSelectionInfo other)
                => LinkedFilesSymbolEquivalenceComparer.Instance.Equals(Symbol, other.Symbol);
 
            public override int GetHashCode()
                => LinkedFilesSymbolEquivalenceComparer.Instance.GetHashCode(Symbol);
        }
    }
}