using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Rs.Framework
{
    public static class ArrayExt
    {
        /// <summary>
        /// 把数组转化为字符串，以指定的字符串分割
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="arr"></param>
        /// <param name="separator"></param>
        /// <returns></returns>
        public static string ToJoinString<T>(this IEnumerable<T> arr, string separator = ",")
        {
            return string.Join(separator, arr);
        }
    }
}