class TC_yahoo_assert < Test::Unit::TestCase 中几个双冒号是什么意思?
在学习watir时,不明白#includes
require 'watir' # the controller
include Watir
#test::unit includes
require 'test/unit'
require 'test/unit/ui/console/testrunner'
class TC_yahoo_assert < Test::Unit::TestCase中的几个双冒号是什么意思,是多继承吗?
包名引用 引用 引用的包名 引用吧
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