Pass map as reference c++

#include<map>

void function2(std::map<int, int> &temp_map); //forward declaration

void function1(){
    std::map<int, int>  my_map; //automatic variable 
                                //no need to make it pointer!
    function2(my_map); 
}

void function2(std::map<int, int> &temp_map){
    //do stuff with the map
}

Source: stackoverflow.com

Similar codes

11 votes267 views1 answer
Inserting at start in vector c++
C++
0 vote287 views1 answer
How can I convert each and every element of string push into set in c++?
C++
1 vote274 views1 answer
C++ call method in same class
C++
31 votes233 views1 answer
When to use struct vs class c++
C++
0 vote279 views1 answer
C++ fstream read line write ,creat file program
C++
0 vote268 views1 answer
Fname from FString
C++
41 votes329 views6 answers
Print hello world c++
C++
2 votes284 views4 answers
For loop with array c++
C++
0 vote295 views1 answer
Dynamically allocate a string object and save the address in the pointer variable p.
C++
0 vote303 views1 answer
C++ get pointer from unique_ptr
C++