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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;
using System.Linq;
using Microsoft.CodeAnalysis.Host;
using Microsoft.CodeAnalysis.Host.Mef;
namespace Microsoft.CodeAnalysis.Shared.Extensions;
internal static class ILanguageServiceProviderExtensions
{
public static IEnumerable<Lazy<T, TMetadata>> SelectMatchingExtensions<T, TMetadata>(
this HostLanguageServices serviceProvider,
IEnumerable<Lazy<T, TMetadata>>? items)
where TMetadata : ILanguageMetadata
{
if (items == null)
return [];
return items.Where(lazy => lazy.Metadata.Language == serviceProvider.Language);
}
}
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