摘要：
概念Metaprogrammingiswritingcodethatwritescode.Metaprogrammingiswritingcodethatmanipulateslanguageconstructsatruntime.可以编写代码的代码MetaprogrammingRubyThisparticularbrandofmetaprogrammingimpliesthatyouuseaprogramtogenerateorotherwisemanipulateasecond,distinctprogram—andthenyourunthesecondprogram.Afteryouru 阅读全文