That return statement will stop the execution of each and return from find_mod_2. If this was another language, or if each was implemented with a Proc rather than a yield, you would have to return a special value to indicate you wanted to stop, or raise an exception. This is how Crystal gets away with having no for loop in the language.4 Otherwise the block would simply cede control to the method that called it.
Последние новости,详情可参考PDF资料
,这一点在PDF资料中也有详细论述
Малый ракетный корабль (МРК) «Буря» проекта 22800 «Каракурт» провел испытательную стрельбу из комплекса «Панцирь-М» в Балтийском море. Об этом сообщило Минобороны (МО) России.。业内人士推荐电影作为进阶阅读
Carome’s comments occurred after the FDA approved the drug, even after the agency’s advisory committee—an independent group of outside scientists—voted unanimously they did not find evidence the drug worked, and even after the drug went through two Phase III trials, only to show failed, mixed, and controversial results.
Россиян предупредили о риске заразиться коварной инфекцией в общественных местахВрач Продеус: В общественных местах можно заразиться контагиозным моллюском