IEnumerable ToString with separator extension method

Extensions

public static string ToString<T>(this IEnumerable<T> list, string separator)
{
	StringBuilder sb = new StringBuilder();
	foreach (var obj in list) {
		if (sb.Length > 0) {
			sb.Append(separator);
		}
		sb.Append(obj);
	}
	return sb.ToString();
}

Debug.Log(list.ToString( ", "));