Подростки распылили перцовый баллончик на пассажиров электрички под Петербургом20:54
Credit: Timothy Werth / Mashable
。关于这个话题，体育直播提供了深入分析
Photo by Amy Skorheim / Engadget
An example. Suppose our “compiler” makes a phrase upper-case:
as a literal type–all of these mechanisms lean very heavily on literal types.