爱的心 赵牧阳 专辑：流浪 语种：国语 流派：Folk 本歌词于吾爱知道网收集 爱的心 - 赵牧阳
What would an equivalent construc开发者_高级运维t of a monad be in Ruby?The precise technical definition: A monad, in Ruby, would be any classwith bind and self.unit methods defined such that for all
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