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Programming-univbasics-3-methods-scope-lab-online-web-prework
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2021-02-19
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方法范围实验室 学习目标 定义局部变量 定义方法 定义一个带有参数的方法 介绍 我们将构建一个标语生成器,以从一些流行的视频游戏中输出标语。 让我们利用我们的方法,范围和变量知识! 定义局部变量 打开lib/catch_phrases.rb 。 您应该看到以下方法: def mario status = 'Thank You Mario! But Our Princess Is In Another Castle!' puts phrase end 注意,这个方法试图puts了一个变量,名为phrase 。 如果我们仅通过在此实验室目录中的终端中键入rspec spec/catch_phrases_spec.rb来运行此方法的测试。 您应该看到以下错误: NameError : undefined local variable or method ` phrase '
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