Serialize Lefts

main.cs

using System.Linq;
using ServiceStack;
using ServiceStack.Text;
using LanguageExt;
using static LanguageExt.Prelude;
using Newtonsoft.Json;

public class Error : NewType<Error, string>
{
	public Error(string value) : base(value) { }
}

var toSerialize = Left<Error, int>(Error.New("some error"));
var json = JsonConvert.SerializeObject(toSerialize);
var deserialized = JsonConvert.DeserializeObject(json, typeof(Either<Error, int>));

json.PrintDump();
deserialized.PrintDump();

packages.config

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="ServiceStack.Text" version="5.2.0" targetFramework="net45" />
  <package id="LanguageExt.Core" version="3.0.24" targetFramework="net45" />
  <package id="System.ValueTuple" version="4.5.0" targetFramework="net45" />
  <package id="Newtonsoft.Json" version="11.0.2" targetFramework="net45" />
</packages>