using System;

using System.Collections.Generic;

using System.Threading.Tasks;

using static DotNext.Metaprogramming.CodeGenerator;

public class Program

{

    public static async Task Main()

    {

        var result = AsyncLambda<Func<IAsyncEnumerable<char>, Task>>(fun => 

        {

            AwaitForEach(fun[0], ch =>

            {

                WriteLine(ch);

            });

        }).Compile();

        await result(GetData('1'));

    }

    public static async IAsyncEnumerable<char> GetData(char data)

    {

        await Task.Yield();

        yield return data;

        throw new Exception("Expected exception");

    }

}