using System.Collections.Generic;
using System.Threading.Tasks;
public partial class @class {
private IEnumerable<string> partial() {
var var = $"{nameof(async)}";
public async Task<string> async(){
return await Task.Run(() => partial().First());
public async Task await() {
var partial = await async();
Console.WriteLine(partial);
public static void Main()
var @class = new @class();