System.Linq.Expressions.Expression.Add C# (CSharp) Method

        public static BinaryExpression Add(Expression left, Expression right, MethodInfo method)
        {
            RequiresCanRead(left, nameof(left));
            RequiresCanRead(right, nameof(right));
            if (method == null)
            {
                if (left.Type == right.Type && left.Type.IsArithmetic())
                {
                    return new SimpleBinaryExpression(ExpressionType.Add, left, right, left.Type);
                }
                return GetUserDefinedBinaryOperatorOrThrow(ExpressionType.Add, "op_Addition", left, right, liftToNull: true);
            }
            return GetMethodBasedBinaryOperator(ExpressionType.Add, left, right, method, liftToNull: true);
        }

        public void Binary()
        {
            var param      = LinqExpression.Parameter(typeof(int));
            var expression = LinqExpression.Add(param, param);

            ShouldRoundrip(expression);
        }