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让 JRuby 在 2.0 模式下运行的最佳方法是什么?

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For a specific script, you can use the --2.0 option:

jruby --2.0 -S rails s

For setting 2.0 as the default value, set JRUBY_OPTS:

export JRUBY_OPTS=--2.0

You can also set the value in ~/.jrubyrc:

compat.version=2.0
于 2013-03-07T20:27:14.307 回答