* 核心功能：每次调用next(val)，返回当前价格的跨度（往回数≤当前价格的最大连续天数）
Maybe at least make a wiki page?，推荐阅读体育直播获取更多信息
imaginary_num6er。体育直播对此有专业解读
Виктория Кондратьева (Редактор отдела «Мир»)
Who would have thought approaching mid-March Wolves would be the Midlands team – at least in the Premier League – with the most to cheer? Aston Villa, while fourth and still capable of securing a place in the Champions League, are wobbling. Nottingham Forest are fighting relegation. In the Championship, Coventry are at the summit but West Brom and Leicester are in danger of dropping into League One. Wolves and third-tier Mansfield are the only Midlands sides remaining in the FA Cup and, while the latter host Arsenal, the former may quietly fancy their chances when Liverpool visit Molineux for the second time in four days. Rob Edwards’s side triumphed on Tuesday and, while it got lost amid the stoppage-time drama, he made several changes with Friday’s Cup tie in mind. “Does it have to be one or the other?” Edwards said. “No, so we are going to try and win both. It is going to be a really exciting night.” Ben Fisher