C#でテキストファイルに１行ごと書き込み

using System;
using System.IO;

namespace WriteLines01;

class Program
{


    static void WriteLines(string filename, IEnumerable<string> lines)
    {
        using StreamWriter writer = new (filename);

        foreach(string line in lines)
        {
            writer.WriteLine(line);
        }
    }
    static void Main()
    {
        const string filename = @".\output.txt";

        string[] lines = ["ABC", "BOM", "COM"];

        WriteLines(filename, lines);
    }
}

ABC
BOM
COM