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第 6 章: 示例应用
我们要开始转变观念了,从本章开始,我们将不再指示计算机如何工作,而是指出我们明确希望得到的结果。我敢保证,这种做法与那种需要时刻关心所有细节的命令式编程相比,会让你轻松许多。 与命令式不同,声明式意味着我们要写表达式,而不是一步一步 ...
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