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Posted on
Tuesday, August 29, 2017
by
醉·醉·鱼
and labeled under
ruby
- def...end, class...end, module...end都是作用域门，进入他们就会出现新的scope
- block是特殊的scope，block中initialize的局部变量在外部没法访问
- 扁平作用域可以用，define_method, Class.new, Module.new来实现。
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