Paddling Blue 鹿乃 (かの) 专辑：rye 语种： 日语 发行时间：2018-12-19 本歌词于吾爱知道www.qkoufu.com
Is there any built in way to require that a block be passed to a Ruby method?I realize I can just raise a开发者_如何转开发n exception if block_given? is false, but is there some nicer way to do it?Sim
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