using System;

using System.Text;

using ChoETL;

​

public class Program

{

    public static void Main()

    {

        string csv = @"text,intentName,entityLabels

        1,2,null

        2,1,null

        ";

​

        StringBuilder sb = new StringBuilder();

        using (var p = ChoCSVReader.LoadText(csv)

            .WithFirstLineHeader()

            .WithField("text")

            .WithField("intentName")

            .WithField("entityLabels", fieldType: typeof(int[]), nullValue: "null")

            )

        {

            using (var w = new ChoJSONWriter(sb)

                )

                w.Write(p);

        }

​

        Console.WriteLine(sb.ToString());

    }

}