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.
如果高油价持续下去，可能会削弱特朗普所属的共和党议员在11月国会中期选举中保住执政权的努力。
。PDF资料对此有专业解读
Optional idle throttling (Game.IdleCpuEnabled, Game.IdleSleepMilliseconds) sleeps briefly when no work was processed.
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