5dplomacy/MultiversalDiplomacy/Program.cs

using System;

using CommandLine;
using CommandLine.Text;

namespace MultiversalDiplomacy
{
    [Verb("adjudicate", HelpText = "")]
    internal class AdjudicateOptions
    {
        [Option('i', "input")]
        public string? InputFile { get; set; }
    }

    internal class Program
    {
        static void Main(string[] args)
        {
            var parser = new Parser(options =>
            {
                options.AutoVersion = false;
                options.HelpWriter = null;
            });
            var parseResult = parser.ParseArguments(args, typeof(AdjudicateOptions));
            var helpText = HelpText.AutoBuild(parseResult, options =>
            {
                options.AdditionalNewLineAfterOption = false;
                return HelpText.DefaultParsingErrorsHandler(parseResult, options);
            });

            parseResult
                .WithParsed<AdjudicateOptions>(Adjudicate)
                .WithNotParsed(errs => Console.WriteLine(helpText));
        }

        static void Adjudicate(AdjudicateOptions args)
        {

        }
    }
}