System.Linq.Expressions.BinaryExpression.IsOpAssignment C# (CSharp) Метод

        private static bool IsOpAssignment(ExpressionType op)
        {
            switch (op)
            {
                case ExpressionType.AddAssign:
                case ExpressionType.SubtractAssign:
                case ExpressionType.MultiplyAssign:
                case ExpressionType.AddAssignChecked:
                case ExpressionType.SubtractAssignChecked:
                case ExpressionType.MultiplyAssignChecked:
                case ExpressionType.DivideAssign:
                case ExpressionType.ModuloAssign:
                case ExpressionType.PowerAssign:
                case ExpressionType.AndAssign:
                case ExpressionType.OrAssign:
                case ExpressionType.RightShiftAssign:
                case ExpressionType.LeftShiftAssign:
                case ExpressionType.ExclusiveOrAssign:
                    return true;
            }
            return false;
        }