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c++ call by reference

S.Y answered on April 22, 2020 Popularity 9/10 Helpfulness 4/10

answer c++ call by reference

related calling by reference c++

c++ call by reference

Comment

#include <iostream>

using namespace std;

void increment(int &n){
    n++;
   cout<<"In function: "<<n<<endl; 
}

int main()
{
   int x=5;
   increment(x);
   cout<<"In main: "<<x<<endl;
   
}

Popularity 9/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++ call reference

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Contributed on Jun 22 2022

S.Y

0 Answers Avg Quality 2/10

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calling by reference c++

Comment

void fun2(int& a) 
{
    a = 5;
}

int main()
{
    int b = 10;
    fun2(b); 

    // now b = 5;
    return 0;
}

Popularity 9/10 Helpfulness 3/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Apr 22 2020

Creepy Cardinal

0 Answers Avg Quality 2/10

calling by reference c++

Comment

int main() {
    int b = 1;
    fun(&b);
    // now b = 10;
    return 0;
}

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Apr 22 2020

Creepy Cardinal

0 Answers Avg Quality 2/10

calling by reference c++

Comment

void fun(int *a)
{
   *a = 10;
}

Popularity 9/10 Helpfulness 2/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Apr 22 2020

Creepy Cardinal

0 Answers Avg Quality 2/10

calling by reference c++

Comment

void fun3(int a)
{
    a = 10;
}

int main()
{
    int b = 1;
    fun3(b);
    // b  is still 1 now!
    return 0;   
}

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: stackoverflow.com

Tags: c++ reference referenc

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Contributed on Apr 22 2020

Creepy Cardinal

0 Answers Avg Quality 2/10

c++ call by reference

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