rubyneko - Rubyを簡単に落とすたったひとつの方法 -- StringとClass.new

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$ irb>> String = Class.new(irb):1: warning: already initialized constant String=> String>> A = Class.new/opt/local/lib/ruby/1.8/irb/ruby-token.rb:101:in `Token': undefined method `ancestors' for "=":String (NoMethodError) from /opt/local/lib/ruby/1.8/irb/ruby-lex.rb:400:in `lex_init' from /opt/local/lib/ruby/1.8/irb/slex.rb:237:in `call' from /opt/local/lib/ruby/1.8/irb/slex.rb:237:in `match_io' from /opt/local/lib/ruby/1.8/irb/slex.rb:222:in `match_io' from /opt/local/lib/ruby/1.8/irb/slex.r...

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