File: Workspace\Solution\SolutionCompilationState.CompilationTrackerGeneratorInfo.cs
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Project: src\src\Workspaces\Core\Portable\Microsoft.CodeAnalysis.Workspaces.csproj (Microsoft.CodeAnalysis.Workspaces)
// 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.
 
namespace Microsoft.CodeAnalysis;
 
internal sealed partial class SolutionCompilationState
{
    private sealed partial class RegularCompilationTracker
    {
        /// <param name="Documents">
        /// The best generated documents we have for the current state. 
        /// </param>
        /// <param name="Driver">
        /// The <see cref="GeneratorDriver"/> that was used for the last run, to allow for incremental reuse. May be
        /// null if we don't have generators in the first place, haven't ran generators yet for this project, or had to
        /// get rid of our driver for some reason.
        /// </param>
        private readonly record struct CompilationTrackerGeneratorInfo(
            TextDocumentStates<SourceGeneratedDocumentState> Documents,
            GeneratorDriver? Driver)
        {
            public static readonly CompilationTrackerGeneratorInfo Empty =
                new(TextDocumentStates<SourceGeneratedDocumentState>.Empty, Driver: null);
        }
    }
}