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📅  最后修改于: 2022-03-11 14:44:54.229000             🧑  作者: Mango
#include void function2(std::map &temp_map); //forward declaration void function1(){ std::map my_map; //automatic variable //no need to make it pointer! function2(my_map); } void function2(std::map &temp_map){ //do stuff with the map }