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// 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 System.Collections.Generic;
namespace Microsoft.CodeAnalysis.Diagnostics
{
/// <summary>
/// Provides custom values associated with <see cref="SyntaxTree"/> instances using the given computeValue delegate.
/// </summary>
public sealed class SyntaxTreeValueProvider<TValue>
{
internal AnalysisValueProvider<SyntaxTree, TValue> CoreValueProvider { get; private set; }
/// <summary>
/// Provides values associated with <see cref="SyntaxTree"/> instances using the given <paramref name="computeValue"/>.
/// </summary>
/// <param name="computeValue">Delegate to compute the value associated with a given <see cref="SyntaxTree"/> instance.</param>
/// <param name="syntaxTreeComparer">Optional equality comparer to determine equivalent <see cref="SyntaxTree"/> instances that have the same value.
/// If no comparer is provided, then <see cref="SyntaxTreeComparer"/> is used by default.</param>
public SyntaxTreeValueProvider(Func<SyntaxTree, TValue> computeValue, IEqualityComparer<SyntaxTree>? syntaxTreeComparer = null)
{
CoreValueProvider = new AnalysisValueProvider<SyntaxTree, TValue>(computeValue, syntaxTreeComparer ?? SyntaxTreeComparer.Instance);
}
}
}
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