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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.
。关于这个话题，体育直播提供了深入分析
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The Studio Display features a 12MP Center Stage camera, improved image quality, a three-microphone setup, and a six-speaker sound system with spatial audio.