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C# CommandLineParser Usage with async methods

Tommy answered on March 31, 2023 Popularity 1/10 Helpfulness 1/10

answer C# CommandLineParser Usage with async methods

C# CommandLineParser Usage with async methods

Comment

You can use MapResult instead WithParser method.

static async Task Main(string[] args)
{
	await CommandLine.Parser.Default.ParseArguments<Options1, Options2, Options3>(args)
		.MapResult(
	  (Options1 opts) => Method1(opts),
	  (Options2 opts) => Method2(opts),
	  (Options3 opts) => Method3(opts),
	  errs => Task.FromResult(0));
}

public async Task<int> Method1(Options1 opt)
{
	Console.WriteLine("Method1 " + opt.Name);
	await Task.Delay(TimeSpan.FromSeconds(1));
	return 1;
}

public async Task<int> Method2(Options2 opt)
{
	Console.WriteLine("Method2");
	await Task.Delay(TimeSpan.FromSeconds(1));
	return 2;
}

public async Task<int> Method3(Options3 opt)
{
	Console.WriteLine("Method3");
	await Task.Delay(TimeSpan.FromSeconds(1));
	return 3;
}

[Verb("a")]
public class Options1
{
	[Option('n', "name")]
	public string Name { get; set; }
}

[Verb("b")]
public class Options2
{
}

[Verb("c")]
public class Options3 
{
}

It's a GitHub answer from "nemec", I made the main method as async.
https://github.com/commandlineparser/commandline/issues/273

Popularity 1/10 Helpfulness 1/10 Language csharp

Source: Grepper

Tags: c# methods

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Contributed on Mar 31 2023

Tommy

0 Answers Avg Quality 2/10

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C# CommandLineParser Usage with async methods

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