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给定一个键,我试图替换一个值。通过定期的地图,不使用指针,我只是用下面的调用boost ptr_map替换值
iter->second = object; //Where object was passed in by reference
如何实现与升压:: ptr_map一样吗?这里的概念是,我们使用derived_object
iter->second = derived_object; //derived_object is a base_object pointer