游戏规则：
在每个 [] 中填写序号，运行该脚本，如果输出的数字依次递增就算赢啦 🎉 ( 最多有两次调试机会 )
game.rb
p '[]'
require 'active_support/concern'
p '[]'
module C
p '[]'
extend ActiveSupport::Concern
p '[]'
included do
p '[]'
end
p '[]'
end
p '[]'
module B
p '[]'
extend ActiveSupport::Concern
p '[]'
include C
p '[]'
included do
p '[]'
end
p '[]'
end
p '[]'
class A
p '[]'
include B
p '[]'
def hello
p '[]'
end
p '[]'
end
p '[]'
A.new.hello
p '[]'
p '0'
require 'active_support/concern'
p '1'
module C
p '2'
extend ActiveSupport::Concern
p '3'
included do
p '100'
end
p '4'
end
p '5'
module B
p '6'
extend ActiveSupport::Concern
p '7'
include C
p '8'
included do
p '101'
end
p '9'
end
p '10'
class A
p '11'
include B
p '102'
def hello
p '200'
end
p '103'
end
p '104'
A.new.hello
p '1000'
意外的调了一次。。