// 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.
 
#nullable disable
 
using Microsoft.CodeAnalysis.CSharp.Syntax;
 
namespace Microsoft.CodeAnalysis.CSharp.Extensions
{
    internal static class AssignmentExpressionSyntaxExtensions
    {
        internal static bool IsDeconstruction(this AssignmentExpressionSyntax assignment)
        {
            var left = assignment.Left;
            return assignment.Kind() == SyntaxKind.SimpleAssignmentExpression &&
                   assignment.OperatorToken.Kind() == SyntaxKind.EqualsToken &&
                   (left.Kind() == SyntaxKind.TupleExpression || left.Kind() == SyntaxKind.DeclarationExpression);
        }
    }
}