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Ruby Global Variables

原文 2010-03-01 16:18:28 6 1 ruby/ reflection/ metaprogramming

在Ruby中有没有任何方法列出检查点可用的所有全局变量，比如php中的$GLOBALS ？

1 answers

Yes. There is Kernel#global_variables .

puts global_variables

Since it's a method from Kernel, you can call it without having to mention the class name.

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Ruby Global Variables

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solution1 2 ACCPTED 2010-03-01 16:38:54

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2 ACCPTED 2010-03-01 16:38:54