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CompletionUtilities.cs
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CompletionUtilities.cs
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// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System.Collections.Generic;
using System.Linq;
using Microsoft.DotNet.Interactive.Events;
namespace Microsoft.DotNet.Interactive.CSharpProject;
internal static class CompletionUtilities
{
public static IEnumerable<CompletionItem> Deduplicate(this IEnumerable<CompletionItem> source)
{
return source.Distinct(CompletionItemEqualityComparer.Instance);
}
private class CompletionItemEqualityComparer : IEqualityComparer<CompletionItem>
{
private CompletionItemEqualityComparer()
{
}
public static CompletionItemEqualityComparer Instance { get; } = new();
public bool Equals(CompletionItem x, CompletionItem y)
{
return x.Kind.Equals(y.Kind) &&
x.InsertText.Equals(y.InsertText);
}
public int GetHashCode(CompletionItem obj)
{
return (obj.Kind + obj.InsertText).GetHashCode();
}
}
}