C++

8.13    The “return” Statement

You have already seen return as a statement to exit the program from main. Besides main, you can use it to exit any function you write.

// https://godbolt.org/z/5ddxa9v1j#include <iostream>                      // coutint min3(int x, int y, int z) {          // function returns an int    if(x<y) {        if(x<z) return x;        else return z;    } else if(y<z) {        return y;    }    else return z;}void printMin(int x, int y, int z) {    // function returns nothing    if(x<0 || y<0 || z<0) {        std::cout << "Please only numbers greater than 0\n";        return;    }    std::cout << min3(x,y,z) << "\n";}                                        // no return hereint main() {    printMin(3, -4, 8);    printMin(6, 77, 4);    return;                              // special return in main}  

Listing 8.21     With “return”, the current function is exited. If necessary, provide ...