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在成功升级到 Ruby 2.0.0 的稳定版本（耶！）后，我决定继续我的 Koans Path to Enlightenment。但是，rake像往常一样在 koans 文件夹中运行命令时，我收到此错误：

rake
cd koans
/Users/jordanthornquest/.rvm/rubies/ruby-2.0.0-p0/bin/ruby path_to_enlightenment.rb
/Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:399:in `rescue in meditate': uninitialized constant EdgeCase::Sensei::AssertionError (NameError)
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:407:in `meditate'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:470:in `block in walk'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:481:in `block (3 levels) in each_step'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:479:in `each'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:479:in `block (2 levels) in each_step'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:478:in `each'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:478:in `each_with_index'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:478:in `block in each_step'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:476:in `catch'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:476:in `each_step'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:469:in `walk'
    from /Users/jordanthornquest/programming/ruby-koans/koans/edgecase.rb:491:in `block in <top (required)>'
rake aborted!
Command failed with status (1): [/Users/jordanthornquest/.rvm/rubies/ruby-2...]
/Users/jordanthornquest/programming/ruby-koans/Rakefile:90:in `block in <top (required)>'
/Users/jordanthornquest/.rvm/gems/ruby-2.0.0-p0/bin/ruby_noexec_wrapper:14:in `eval'
/Users/jordanthornquest/.rvm/gems/ruby-2.0.0-p0/bin/ruby_noexec_wrapper:14:in `<main>'
Tasks: TOP => default => walk_the_path

我今天还从 GitHub 安装了一个全新的 Koans 批次，以确保这不是我的问题。都不适合我！它在 1.9.3 中仍然运行良好。值得注意的是，我还通过 RVM 安装了 Ruby 2.0。在这样做之前，我确保更新到最新的 RVM。

似乎是什么问题？

4

1 回答 1

13

有一个拉取请求来解决这个问题，但它尚未被接受：https ://github.com/neo/ruby_koans/pull/84

现在，您可以将第 149 行编辑src/edgecase.rb为：

in_ruby_version("1.9", "2.0") do
于 2013-02-28T19:43:20.690 回答