目录一、引用和复制概念的概念二、引用可变物体三、是引用不变对象的引用。四、复制可变对象五、不可改变对象的复制六、深拷贝和浅拷贝七、总结一、引用和复制概念的概念
Can someone shed light on how to setup by_star gem: https://rubygems.org/gems/by_star? I ran ruby script/plugin install git://github.com/radar/by_star.git.