pair c++
// make_pair example
#include <utility> // std::pair
#include <iostream> // std::cout
int main () {
std::pair <int,int> foo;
std::pair <int,int> bar;
foo = std::make_pair (10,20);
bar = std::make_pair (10.5,'A'); // ok: implicit conversion from pair<double,char>
std::cout << "foo: " << foo.first << ", " << foo.second << '\n';
std::cout << "bar: " << bar.first << ", " << bar.second << '\n';
return 0;
}c++ std::pair
// pair::pair example
#include <utility> // std::pair, std::make_pair
#include <string> // std::string
#include <iostream> // std::cout
int main () {
std::pair <std::string,double> product1; // default constructor
std::pair <std::string,double> product2 ("tomatoes",2.30); // value init
std::pair <std::string,double> product3 (product2); // copy constructor
product1 = std::make_pair(std::string("lightbulbs"),0.99); // using make_pair (move)
return 0;
}Copyright © 2021 Codeinu
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