Programmers sometimes want to read the status register to check if a floating-point exception has been raised, and to write the control register to adjust the rounding mode or other aspects of floating-point computations.
bretonium/gist:291f4388e2de89a43b25c135b44e41f0
，详情可参考heLLoword翻译
connect_db(config.db_url)?;
更深远的影响在于，这场战争固化了消费者对现制咖啡的“低价预期”，使得瑞幸任何试图提升客单价的努力都变得异常艰难。瑞幸陷入了自己曾经用来颠覆市场的“价格武器”所构筑的牢笼。